SYSTEMSX CUSTOMER TERMS
Version October 2026. Applies to SystemsX Ltd (company number 15224302), Abacus House, Caxton Place, Cardiff, CF23 8HA.
These Customer Terms apply to every Order Form that refers to them. Together, the Order Form and these Customer Terms (including the Schedules) form the agreement between SystemsX and the Customer (the Agreement).
1. Definitions and interpretation
1.1 In the Agreement, the following definitions apply:
Additional Services: professional services other than the Support Services, including configuration changes, enhancements, integrations and training.
Agent: an individual who handles Interactions on behalf of the Customer, including employees, contractors and representatives.
AI: artificial intelligence and machine learning technologies.
Applicable Data Protection Laws: the General Data Protection Regulation (2016/679) applicable in the UK (the UK GDPR), the Data Protection Act 2018, the Privacy and Electronic Communications (EC Directive) Regulations 2003 (SI 2426/2003) (as amended) and all applicable laws and regulations relating to the processing of the personal data together with, where applicable, the relevant guidance and codes of practice issued by the Information Commissioner’s Office.
Applicable Laws: all applicable laws, statutes and regulations in force from time to time.
Confidential Information: any information of a confidential nature concerning the business, affairs, customers, clients or suppliers of a party, including operations, processes, plans, product information, know-how, designs, trade secrets, software and Customer Data.
Contract Year: each consecutive period of 12 months starting on the Effective Date.
CPI: the Consumer Prices Index published by the Office for National Statistics, or any replacement index.
Customer: the customer named in the Order Form.
Customer Data: all data, including Customer Personal Data and Interactions, provided by or on behalf of the Customer or processed through the Software for the Customer.
Customer Personal Data: any personal data processed by SystemsX on behalf of the Customer in connection with the provision of the Services.
Customer Systems: any system, platform, application, network or service owned, licensed or used by the Customer, including telephony, call recording, email, live chat, messaging, CRM, booking and online meeting or video conferencing platforms (such as Microsoft Teams, Google Meet and Zoom), whether or not integrated with the Software.
Day Rate: the daily rate for Additional Services set out in the Order Form, as adjusted under clause 7.
Effective Date: the date set out in the Order Form from which the Agreement takes effect.
Fees: the Licence Fees, setup fees, fees for Additional Services and any other amounts payable under the Agreement.
Force Majeure Event: has the meaning given in clause 17.
Initial Term: the initial period set out in the Order Form.
Intellectual Property Rights: all intellectual property rights, including patents, copyrights, trademarks, database rights, know-how and trade secrets, and all similar rights anywhere in the world.
Interactions: any communication between the Customer (including its Agents) and its customers or any other person, in any format, including voice calls, emails, live chat, messaging and online meetings.
Licence Fees: the recurring fees for the Software set out in the Order Form, as adjusted under clause 7.
Minimum Users: the minimum number of Users for each product or user type set out in the Order Form.
Order Form: the SystemsX order form signed by both parties that refers to these Customer Terms.
Services: the provision of the Software, the Support Services and any Additional Services.
Software: the SystemsX software products set out in the Order Form, provided as Software-as-a-Service.
Special Terms: any special terms set out in the Order Form.
Support Request: a request by the Customer for assistance with a fault or defect in the Software, raised through SystemsX’s designated support channels.
Support Services: the support services described in Schedule 1.
SystemsX: SystemsX Ltd, a company registered in England and Wales with company number 15224302.
Term: the Initial Term together with any renewal periods, unless the Agreement is terminated earlier.
User: an individual designated by the Customer who either (a) is given access to the Software, or (b) is an Agent whose Interactions are captured, analysed or processed by the Software, whether or not that individual holds a login.
1.2 Headings do not affect interpretation. Words in the singular include the plural and vice versa. A reference to a statute includes it as amended or re-enacted. Words following “including” or similar expressions are illustrative and do not limit the preceding words.
1.3 If there is any conflict, the following order of precedence applies: (a) the Special Terms; (b) the rest of the Order Form; (c) the clauses of these Customer Terms; and (d) the Schedules to these Customer Terms.
1.4 The Schedules form part of these Customer Terms. If the Customer has a separate written agreement with SystemsX for the same Services signed by both parties, that agreement applies instead of these Customer Terms.
2. Delivery and acceptance
2.1 SystemsX will provide the Customer with the details needed to access the Software on or around the Effective Date.
2.2 The Customer is deemed to have accepted the Software on first operational use.
3. Licence and Customer obligations
3.1 In consideration of the Fees, SystemsX grants the Customer a non-exclusive, non-transferable licence during the Term to access and use the Software for its internal business purposes only.
3.2 The Customer shall not: (a) sub-license, assign or transfer the Software or the Agreement, except with SystemsX’s prior written consent; or (b) copy, adapt, reverse engineer, decompile, disassemble or otherwise attempt to derive the Software’s source code, except to the extent permitted by law.
3.3 The Customer shall: (a) provide timely access to the Customer Systems, data and personnel reasonably required to provide the Services; (b) keep its list of Users accurate and up to date; (c) keep all login credentials secure; and (d) use the Software in accordance with the Agreement and Applicable Laws.
3.4 SystemsX shall not be in breach of the Agreement for any delay, failure or unavailability of the Services arising from the Customer Systems or from the Customer’s failure to comply with clause 3.3. Where the Customer changes or replaces any Customer Systems integrated with the Software, any re-integration work will be charged at the Day Rate, and the Licence Fees remain payable throughout.
4. Support Services and updates
4.1 SystemsX will provide the Support Services during the Term in accordance with Schedule 1.
4.2 SystemsX may make reasonable changes to the Support Services and may update the Software from time to time, provided such changes do not materially reduce the overall level of service or functionality.
5. Additional Services and developments
5.1 Additional Services will be agreed in writing between the parties and, unless otherwise agreed, charged at the Day Rate on a time and materials basis.
5.2 Any developments will be agreed in accordance with Schedule 2.
6. Users
6.1 The Customer may add Users at any time by notice in writing (email is sufficient), and SystemsX will provision them promptly. Additional Users are charged at the applicable per-user rate set out in the Order Form, pro-rata to the end of the current billing period.
6.2 The Customer may reduce the number of Users by giving at least two months’ written notice, provided the number of Users does not fall below the Minimum Users. Reductions take effect from the first billing date after the notice period ends.
7. Fees and payment
7.1 The Customer shall pay the Fees set out in the Order Form. Unless the Order Form states otherwise, Licence Fees are invoiced in advance for each billing period, setup fees are invoiced on the Effective Date, and Additional Services are invoiced monthly in arrears.
7.2 All Fees are exclusive of VAT and any other applicable taxes, which are payable by the Customer where applicable.
7.3 Invoices are payable within 30 days of the invoice date, using the payment method set out in the Order Form. Interest accrues on overdue amounts at 8% per year above the Bank of England base rate.
7.4 The Licence Fees shall increase on each anniversary of the Effective Date by the percentage change in CPI for the 12-month period ending on the last day of the month preceding that anniversary. Where the percentage change in CPI for that period is zero or negative, the Licence Fees shall remain unchanged and shall not decrease.
7.5 The Day Rate is fixed for the first Contract Year and increases by 8% (cumulatively) on each anniversary of the Effective Date.
7.6 In exceptional circumstances, including unforeseen market, regulatory or global events, where the third-party costs directly incurred by SystemsX in providing the Services increase materially, SystemsX may increase the Licence Fees to reflect that increase on at least 60 days’ written notice.
7.7 Out of pocket expenses incurred in connection with implementation, training or project services are subject to prior approval by the Customer. Approved expenses are re-chargeable as follows (exclusive of VAT): mileage at £0.45 per mile; accommodation at a minimum of £120 per night per person; subsistence at a minimum of £25 per day per person; and other travel costs (rail, taxis, flights) at cost.
7.8 If any undisputed amount remains unpaid 14 days after SystemsX has given written notice of non-payment, SystemsX may suspend access to the Software until all overdue amounts are paid in full. The Agreement continues during any suspension, and the Fees remain payable.
7.9 Non-payment does not end the Agreement or reduce the Customer’s obligations under it. SystemsX may recover overdue amounts as a debt, together with interest under clause 7.3 and its reasonable costs of recovery.
8. Confidentiality
8.1 Each party shall keep the other’s Confidential Information confidential and use it only for the purposes of the Agreement.
8.2 Confidential Information may be disclosed to employees, contractors or advisers who need to know it, provided they are bound by confidentiality obligations.
8.3 This clause does not apply to information which is already public, lawfully known, independently developed, or required by law to be disclosed.
9. Warranties
9.1 SystemsX warrants that the Software will perform materially in accordance with its documentation.
9.2 SystemsX does not warrant that the Software will be uninterrupted or error-free.
10. Liability
10.1 Nothing in the Agreement limits or excludes either party’s liability for: (a) death or personal injury caused by negligence; (b) fraud; or (c) any matter which cannot be limited or excluded by law.
10.2 Subject to clause 10.1, SystemsX’s total liability in any 12-month period shall not exceed the total Fees paid by the Customer in that period.
10.3 Neither party shall be liable for indirect or consequential loss, including loss of profits, savings, goodwill or data.
11. AI, redaction and payment card data
11.1 The Customer acknowledges that the Software includes features powered by AI, and that AI-generated content may be inaccurate or incomplete.
11.2 The Customer is responsible for reviewing and verifying AI-generated content before use. To the extent permitted by law, SystemsX shall not be liable for any decisions or actions taken by the Customer based on AI-generated content.
11.3 The Software is not designed, intended or marketed for the processing, storage or transmission of payment card data. The Customer shall not use the Software to process or intentionally record payment card data and is responsible for ensuring that appropriate PCI DSS-compliant payment solutions are used for all card transactions.
11.4 Where enabled, SystemsX may apply automated detection, redaction, hashing, alerting or access restriction measures to personal data or payment card data captured within Interactions. Such measures are risk-mitigation tools only and are not guaranteed to identify or remove all personal data or payment card data. SystemsX does not assume responsibility for the Customer’s PCI DSS compliance and is not a PCI DSS-compliant payment processor.
12. Data protection
12.1 Each party shall comply with Applicable Data Protection Laws.
12.2 For personal data processed under the Agreement, the Customer is the controller and SystemsX is the processor. The details of processing are set out in Schedule 3, Part A.
12.3 Customer instructs SystemsX to process personal data in line with the Agreement, and is responsible for providing all notices and obtaining any required consents, licences and legal bases to allow SystemsX to process personal data.
12.4 SystemsX shall:
a. only process personal data in line with the Agreement and Customer’s instructions (unless legally required to do otherwise);
b. not sell, retain or use any personal data for any purpose other than as allowed by the Agreement;
c. inform Customer immediately if (in its opinion) any instructions breach data protection laws;
d. use the technical and organisational measures described in Schedule 3, Part B when processing personal data to ensure a level of security appropriate to the risk involved;
e. notify Customer of a personal data breach without undue delay and provide assistance as required under data protection laws in responding to it;
f. make sure that anyone authorised to process personal data is committed to confidentiality obligations;
g. without undue delay, provide Customer with reasonable assistance with: data protection impact assessments; responses to requests to exercise individual rights under data protection laws; and engagement with supervisory authorities;
h. if requested, provide Customer with information necessary to demonstrate its compliance with obligations under data protection laws and the Agreement;
i. allow for audits at Customer’s reasonable request, provided that audits are limited to once a year and during business hours except in the event of a personal data breach; and
j. delete personal data in line with clause 12.8.
12.5 Use of sub-processors. Customer authorises SystemsX to engage other processors (referred to in this section as sub-processors) when processing personal data. The categories of SystemsX’s sub-processors are set out in Schedule 3, Part C.
12.6 SystemsX will:
a. require its sub-processors to comply with equivalent terms as in the Agreement;
b. make sure appropriate safeguards are in place before internationally transferring personal data to its sub-processor;
c. be liable for any acts, errors or omissions of its sub-processors as if they were a party to the Agreement;
d. appoint new sub-processors provided that it notifies Customer in writing (email is sufficient) at least 14 days before the new sub-processor is granted access to personal data; and
e. maintain an up-to-date list of its sub-processors and make it available to Customer on request.
12.7 Customer may object to a new sub-processor only on reasonable data protection grounds, by notice in writing within 14 days of when the notification is sent. The parties will work in good faith to resolve the objection. Customer may terminate the Agreement under this clause only where SystemsX cannot reasonably offer an alternative, and any Fees paid or due up to the date of termination remain payable.
12.8 Data retention. SystemsX will retain Customer Personal Data only for as long as reasonably necessary to provide the Services and in accordance with the retention periods set out below, unless otherwise agreed in writing between the parties.
Audio recordings are retained for a period of 12 months from the date of capture.
The following data is retained for a period of 24 months from the date of capture or creation:
a. transcripts of audio recordings;
b. email communications;
c. live chat interactions;
d. communications including, but not limited to, online meetings (such as Microsoft Teams);
e. performance data, scoring, analytical outputs, and behavioural insights; and
f. reporting and aggregated insights generated from the Services.
The retention periods set out above may be shortened or extended at the Customer’s request, subject to technical feasibility and agreement in writing between the parties.
Upon termination or expiry of the Agreement, SystemsX will securely delete Customer Personal Data within 30 days, unless continued retention is required to comply with applicable law or regulatory obligations.
12.9 International data transfers. Customer Personal Data is stored, and processed by SystemsX on its own infrastructure (including transcription), within the United Kingdom, unless otherwise agreed under clause 12.10. Processing by SystemsX’s third-party AI sub-processors takes place outside the UK, subject to the safeguards in clause 12.11, and such data is deleted immediately after processing.
12.10 For customers located outside the UK, Customer Personal Data may be hosted in alternative locations upon request if justified by legitimate data residency requirements or country-specific data protection laws.
12.11 If Customer Personal Data is transferred to, or processed in, a country outside the UK or the European Economic Area (EEA) that has not been subject to an adequacy decision by the UK Government or European Commission, SystemsX shall:
(a) implement appropriate safeguards in accordance with Applicable Data Protection Laws, such as entering into the EU or UK Standard Contractual Clauses (SCCs);
(b) ensure that sub-processors processing Customer Personal Data outside the UK or EEA are subject to equivalent safeguards; and
(c) provide the Customer with copies of such safeguards upon request.
13. Intellectual property and Customer Data
13.1 All Intellectual Property Rights in the Software remain with SystemsX. The Customer has no rights in or to the Software other than the right to use it in accordance with the Agreement.
13.2 Customer Data remains the property of the Customer. SystemsX shall use Customer Data only to provide the Services. Customer Data shall not be used by SystemsX or any of its sub-processors to train or improve any AI model, and SystemsX’s AI and speech-to-text sub-processors shall delete Customer Data immediately after processing and shall not retain it for any period.
14. Term and renewal
14.1 The Agreement starts on the Effective Date and continues for the Initial Term.
14.2 The Agreement renews automatically for successive periods of 12 months unless either party gives at least six months’ written notice to end it at the end of the Initial Term or any renewal period.
15. Termination
15.1 Either party may terminate the Agreement immediately by written notice if the other party: (a) commits a material breach which is not remedied within 30 days of written notice; or (b) becomes insolvent.
15.2 SystemsX may, at its option, terminate the Agreement immediately by written notice if the Customer fails to pay any amount within 7 days of the due date. SystemsX is not obliged to exercise this right.
15.3 For the purposes of clause 15.1(a), a personal data breach is treated as remedied where SystemsX has notified the Customer in accordance with clause 12, taken reasonable steps to contain and mitigate it, and implemented measures to prevent it recurring, within 30 days of the Customer’s written notice.
15.4 The Customer may terminate the Agreement only in accordance with clauses 12.7, 14.2, 15.1 and 17.4.
16. Effect of termination
16.1 On termination, all licences granted under the Agreement end immediately.
16.2 Each party shall promptly return or securely delete the other’s Confidential Information, and Customer Personal Data shall be deleted in accordance with clause 12.8.
16.3 Any Fees due and unpaid at termination remain payable.
16.4 Clauses 8 (Confidentiality), 10 (Liability), 12 (Data protection), 13 (Intellectual property and Customer Data), 16 (Effect of termination) and 20 (Governing law and jurisdiction), and any other provision intended to survive, continue after termination.
16.5 Where SystemsX terminates the Agreement under clause 15.1 or 15.2, the Licence Fees for the remainder of the Initial Term or current renewal period become immediately due and payable.
17. Force majeure
17.1 Neither party shall be liable for any delay or failure to perform its obligations to the extent caused by an event beyond its reasonable control (a Force Majeure Event), provided it notifies the other party promptly and uses reasonable endeavours to minimise the effect.
17.2 The following are not Force Majeure Events: (a) any act, omission or decision of the Customer or anyone acting on its behalf; (b) any change to, replacement, upgrade, suspension or failure of any Customer Systems, or any withdrawal or restriction of SystemsX’s access to them; and (c) any failure or delay in payment.
17.3 A Force Majeure Event does not relieve the Customer of its obligation to pay the Fees.
17.4 If a Force Majeure Event affecting SystemsX’s own systems or suppliers prevents SystemsX from providing substantially all of the Services for more than 90 consecutive days, the Customer may terminate the Agreement on written notice. This is the Customer’s sole right to terminate arising from a Force Majeure Event.
18. Publicity
18.1 SystemsX may identify the Customer as a customer, including by using its name and logo, in its marketing materials, unless the Customer objects in writing. Case studies, testimonials and quotes require the Customer’s prior approval.
19. General
19.1 Entire agreement: the Agreement is the entire agreement between the parties and supersedes all previous proposals, quotations, discussions and arrangements relating to its subject matter.
19.2 Variation: no variation of the Agreement is effective unless in writing and signed by both parties, except changes to User numbers notified under clause 6.
19.3 Notices: notices must be in writing. Notices to SystemsX must be sent by email to the Customer’s usual contact at SystemsX or any SystemsX director. Notices to the Customer may be sent by email to the individual who signed the Order Form (or any replacement contact the Customer notifies in writing), or by post to its registered office.
19.4 Assignment: the Customer may not assign or transfer the Agreement without SystemsX’s prior written consent. SystemsX may assign or novate the Agreement to any group company or successor on written notice.
19.5 Severance: if any provision is found invalid or unenforceable, the rest of the Agreement continues in force.
19.6 Waiver: a failure or delay in exercising any right is not a waiver of that right.
19.7 Third-party rights: no person other than the parties has any right to enforce the Agreement under the Contracts (Rights of Third Parties) Act 1999.
19.8 Electronic signature: the Order Form may be signed electronically, and electronic signatures are valid and binding.
20. Governing law and jurisdiction
20.1 The Agreement is governed by the laws of England and Wales.
20.2 The courts of England and Wales have exclusive jurisdiction to settle any dispute arising out of or in connection with the Agreement.
Schedule 1: Support Services
1.1 Support hours: standard support is available Monday to Friday, 9:00 to 17:00 UK time (Support Hours).
1.2 Out-of-hours P1 support: outside Support Hours, support is available for P1 Support Requests only, 24 hours a day, 7 days a week, except on UK Christmas Day, Boxing Day and New Year’s Day. P2 and P3 Support Requests raised outside Support Hours will be handled from the start of the next Support Hours, and their target times are measured during Support Hours only.
1.3 Raising support: Support Requests may be raised through SystemsX’s designated support channels, which include the in-platform ticketing system, email and telephone, as notified to the Customer from time to time. Target response times run from receipt of the Support Request through a designated channel.
1.4 Service levels: SystemsX shall prioritise all Support Requests based on its reasonable assessment of severity, and respond in accordance with the following targets:
P1: System down No access to any features (excludes Customer-side Issues, see 1.5). Target response: within 30 minutes Update frequency: hourly Target resolution: fix or workaround within 6 hours
P2: Partial loss of functionality Target response: within 4 hours Update frequency: daily Target resolution: fix or workaround within 7 working days
P3: Intermittent degradation of service Target response: within 24 hours Update frequency: not applicable Target resolution: fix available in a subsequent software release, based on priorities
1.5 Customer-side issues: the service levels apply only to faults in the Software, including faults arising from SystemsX’s own suppliers. They do not apply to any issue caused by Customer Systems or any third party engaged by the Customer, including its telephony, CRM, website, live chat, email or online meeting platforms (a Customer-side Issue). A Customer-side Issue is not a P1, P2 or P3 Support Request. Before raising a Support Request, the Customer shall take reasonable steps to check that the issue is not a Customer-side Issue. Where SystemsX reasonably determines that an issue is a Customer-side Issue, it will notify the Customer, and resolving it is the Customer’s responsibility. Once resolved, SystemsX will restore the connection with the Software.
Any assistance SystemsX provides with a Customer-side Issue is a goodwill gesture at its discretion. Where Customer-side Issues are raised repeatedly, particularly outside Support Hours, SystemsX may, after notifying the Customer, charge for such assistance at the Day Rate or decline to provide it outside Support Hours.
1.6 Progress updates: SystemsX shall provide regular updates on the status of all open Support Requests.
1.7 Coverage: the Customer is entitled to unlimited support for break/fix issues and software defects. Configuration changes, enhancements and training are Additional Services charged at the Day Rate.
Schedule 2: Developments
2.1 No custom developments are included unless set out in the Order Form.
2.2 Any developments requested by the Customer are subject to a separate written agreement or change request, agreed in advance by both parties.
2.3 Agreed developments include a 30-day warranty period starting on the go-live date of the development.
Schedule 3: Data processing
Part A: Details of processing
Subject Matter of Processing: Provision of the Sense platform for quality assurance, compliance monitoring, and analytics of customer interactions, and, where subscribed, the Intelligence platform for capturing customer information into structured customer profiles. Processing relating to a product applies only where the Customer subscribes to that product, as set out in the Order Form.
Duration of Processing: For the duration of the Agreement and for such period thereafter as required to fulfil contractual and legal obligations.
Nature and Purpose of Processing: Processing of Customer Personal Data to enable the Customer to:
(a) monitor and assess the quality of customer interactions;
(b) ensure compliance with internal policies, regulations, and legal requirements;
(c) analyse performance of employees and agents;
(d) identify training needs and improvement opportunities;
(e) generate reports, insights, and analytics on communication quality and trends;
(f) transcribe and analyse Interactions, including calls, emails, live chat, messaging, online meetings and any other communication channel;
(g) utilise artificial intelligence and machine learning for automated scoring, tagging, and insights; and
(h) where the Customer subscribes to Intelligence, capture information explicitly stated by customers during interactions (such as contact details, preferences and requirements) to create and maintain structured customer profiles.
Categories of Personal Data:
(a) Customer contact information: names, email addresses, job titles, contact details of individuals at customer organisations;
(b) User account information: usernames, email addresses, login credentials, IP addresses, user agent data, access logs;
(c) Interaction data: call recordings, transcripts, email content, live chat and messaging content, online meeting recordings and transcripts, and content from any other communication channel, which may include names, contact details, account numbers and other identifiers;
(d) Employee and agent data: names, employee IDs, team assignments, performance scores, quality assessment data;
(e) Technical and usage data: IP addresses, browser types, device information, page URLs, page titles, login times, feature usage, screenshots (when enabled);
(f) Customer profile data (where Intelligence is subscribed): information explicitly stated by the Customer’s customers during interactions, such as contact details, preferences and requirements; and
(g) In certain cases, communications may contain special categories of personal data such as health information or details of alleged or suspected criminal conduct. The Customer is responsible for implementing appropriate safeguards for such data.
Categories of Data Subjects:
(a) Employees and agents of the Customer whose work is being monitored and assessed;
(b) Customers, clients and end users of the Customer (whether individuals or representatives of businesses), and any other individuals who take part in Interactions, such as suppliers, partners and colleagues; and
(c) Authorised users and administrators of the Software within the Customer’s organisation.
Processing Operations: Collection, recording, organisation, structuring, storage, retrieval, consultation, use, analysis, transcription, scoring, tagging, reporting, disclosure (to authorised users), restriction, erasure, and destruction of Customer Personal Data.
Part B: Security measures
SystemsX implements appropriate technical and organisational measures to protect personal data against accidental or unlawful destruction, loss, alteration, unauthorised disclosure or access, including: encryption of data in transit (TLS 1.2 or higher) and at rest (AES-256 or equivalent); secure cloud hosting with ISO 27001-certified providers; role-based access control and least-privilege access; multi-factor authentication; continuous monitoring and security event logging; vulnerability management and timely patching; network protections including firewalls, DDoS mitigation and intrusion detection; regular penetration testing and security assessments; incident response procedures tested annually; secure backup and disaster recovery; and secure software development practices.
SystemsX maintains recognised security certifications and attestations, details of which are available on request.
Part C: Sub-processor categories
SystemsX engages a limited number of trusted third-party service providers to support the delivery of its Services. These may include providers of: secure cloud infrastructure and storage; transcription and speech-to-text processing; and artificial intelligence (AI) and analytics services.
SystemsX ensures that all sub-processors are bound by written agreements that meet the requirements of Applicable Data Protection Laws. An up-to-date list is available on request.