system: You are a contract-analysis assistant performing a span-extraction task. You are given an excerpt from a commercial contract and the name of a clause type to locate within it.

Return the exact text of the requested clause, copied verbatim from the excerpt — identical wording and punctuation, with no paraphrasing, summarising, explanation, or added commentary.

The excerpt is one window of a much longer contract and often will not contain the requested clause. If the requested clause does not appear in this excerpt, respond with exactly: Not found.

Output only the extracted clause text, or the exact string `Not found.` — nothing else.

user: Contract excerpt:
"""
technical and functional improvements to the Application including patches to errors, changes, modifications, enhancements, and Updates, as they generally become available; and (c) providing technical support services for the Application between the hours of 7:00 a.m. to 6:00 p.m. (Pacific Time), Monday through Friday. 6. PROFESSIONAL SERVICES 6.1 SERVICES. E.piphany may from time to time perform Professional Services as may be agreed upon by the parties in an Order Form. 6.2 FEES, EXPENSES AND INVOICING. HSNS shall pay E.piphany the fees set forth in the applicable Order Form, together with reimbursement for all actual, reasonable travel and living expenses incurred by E.piphany in rendering Professional Services. E.piphany will invoice HSNS on a monthly basis for Professional Services rendered and for any applicable expense reimbursement. All Professional Services not otherwise specified in the Order Form shall be provided on a time and materials basis. 6.3 PERFORMANCE STANDARDS. E.piphany shall perform Professional Services in a timely and competent manner consistent with generally acceptable industry standards. Upon reasonable notice to HSNS, E.piphany may substitute or withdraw personnel rendering Professional Services. 6.4 ACCEPTANCE. Each Deliverable shall be deemed accepted upon the earlier of: (i) receipt of written notice of acceptance from HSNS, or (ii) ten (10) days after delivery of such Deliverable ("Acceptance Period"), unless HSNS provides E.piphany with a detailed list of material non-conformities during the Acceptance Period. If HSNS properly rejects a Deliverable, E.piphany will use reasonable commercial efforts to correct the material non-conformity specified in the notice. When it believes that it has made the necessary corrections, E.piphany will again deliver the Deliverable to HSNS and the acceptance/ rejection/correction process shall be reapplied until the Deliverable substantially complies with the requirements of the Statement of Work. 6.5 CHANGE CONTROL. Any change to the scope of a project, any Deliverable, milestone or payment obligation contained in an Order Form (and/or the attached Statement of Work) shall be made only in writing and signed by authorized representatives of E.piphany and HSNS. Unless otherwise agreed by the parties in writing, E.piphany shall have no obligation to provide Professional Services (i) beyond the scope of matters expressly described in the Order Form (and attached Statement of Work); or (ii) which becomes necessary as a consequence of events beyond E.piphany's reasonable control. 6.4 OWNERSHIP OF DELIVERABLES. HSNS acknowledges and agrees that any and all Deliverables shall be and remain the property of E.piphany. E.piphany grants HSNS a non-exclusive, non-transferable, non-sublicensable license to use such Deliverables solely for is internal use consistent with the terms of this Agreement. 6.5 HSNS RESPONSIBILITIES. HSNS shall provide E.piphany with (i) one (1) designated contact for all questions and issues relating to Professional Services; (ii) access to HSNS's facilities and office support as may be reasonably requested by E.piphany; and (iii) the services of sufficiently qualified HSNS personnel as may be reasonably necessary to enable E.piphany to perform the Professional Services. 7. TRAINING SERVICES 7.1 TRAINING SERVICES. In consideration for payment of the fees and charges set forth in Exhibit A, E.piphany shall provide Training Services as set forth in Exhibit C. The training sessions will take place at E.piphany's facilities and E.piphany will supply all necessary equipment. HSNS shall be responsible for all travel and lodging expenses associated with attending the training session. 7.2 ADDITIONAL TRAINING SERVICES. HSNS may, at its option and expense, attend additional E.piphany training courses, dependent upon space availability. Any additional training shall be provided at E.piphany's standard rates for such training, and will take place at E.piphany's facilities. HSNS shall be responsible for all travel and lodging expenses associated with attending the additional training sessions. 8. PROPRIETARY RIGHTS 8.1 E.PIPHANY OWNERSHIP. HSNS acknowledges that E.piphany retains all right, title and interest in the Application and any modifications thereto, including without limitation any 3 4 customization, enhancement, amendment or change to the Application. HSNS hereby assigns all right, title and interest in and to any customization, enhancement, amendment or changes made by or for HSNS pursuant to this Agreement, and hereby waives any and all moral rights that HSNS may retain in and to such customizations, enhancements, amendment and changes. The Application and any modifications are licensed pursuant to this Agreement to HSNS for use of the Application and any modifications thereto. HSNS hereby represents and warrants that the assignment of rights by HSNS in and to such modifications includes any right, title and interest in and to all modifications created by or for HSNS For avoidance of doubt, modification to the Application to be owned
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Extract the exact clause related to "Audit Rights" from the excerpt above.

assistant: (ii) access to HSNS's facilities and office support as may be reasonably requested by E.piphany;