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:
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for confidential treatment filed with the Securities and Exchange Commission. Omitted portions have been filed separately with the Commission. The parties hereby agree to attempt to substitute for any invalid or unenforceable provision a valid or enforceable provision that achieves to the greatest extent possible the economic, legal and commercial objectives of the invalid or unenforceable provision 26. Assignment and sub-contractors 26.1 Neither party shall be entitled to assign the benefit of this Agreement without the prior written consent of the other party nor shall such consent be unreasonably withheld. 26.2 SEV, with the consent of DCL and without incurring unnecessary expense, may sub-contract the performance of its obligations under this Agreement or any part thereof and such consent will not be unreasonably withheld. 26.3 SEV shall not engage agents or sub-contractors to provide the Maintenance Services (or any material part of the Maintenance Services) without DCL's prior consent and DCL's consent shall not be unreasonably withheld or delayed. 26.4 SEV shall remain responsible for obligations that are performed by agents or sub-contractors (and for the acts or omissions of agents and sub-contractors) as if they were acts or omissions of SEV. 27. Value Added Tax Save insofar as otherwise expressly provided, all amounts stated in this Agreement are expressed exclusive of value added tax and any value added tax arising in respect of any supply made hereunder shall on the issue of a valid tax invoice in respect of the same be paid to the party making such supply by the party to whom it is made in addition to any other consideration payable therefor. 28. Law and jurisdiction This Agreement shall be governed by and construed in all respects in accordance with the law of England and Wales and both parties submit to the exclusive jurisdiction of the English Courts. 29. Headings Headings to Clauses in this Agreement are for the purposes of information and identification only and shall not be construed as forming part of this Agreement. 30. Entire agreement 30.1 This Agreement, and the documents referred to in it, constitute the entire agreement and understanding of the parties and extinguishes any prior drafts, and all previous 26 ***Confidential treatment requested pursuant to a request for confidential treatment filed with the Securities and Exchange Commission. Omitted portions have been filed separately with the Commission. contracts, arrangements, representations, warranties of any nature whether or not in writing between the parties relating to its subject matter 30.2 Each of the parties acknowledges and agrees that in entering into this Agreement, and the documents referred to in it, it does not rely on, and shall have no remedy in respect of, any statement, representation, warranty or understanding (whether negligently or innocently made) of any person (whether party to this Agreement or not) other than as expressly set out in this Agreement 31. Third party rights A person who is not a party to this Agreement has no right under the Contracts (Rights of Third Parties) Act 1999 to enforce any term of this Agreement but this does not affect any right or remedy of a third party which exists or is available apart from that Act. 32. General 32.1 Notices between the parties relating to this Agreement shall be in writing and shall either be delivered personally or sent by first class post or fax to the registered office for the time being of the recipient. Communications if delivered by hand shall be treated as received when delivered, if sent by first class post 48 hours after posting, if sent by air-mail post 72 hours after posting and if sent by fax when sent. Any notices that would be treated as received out of business hours (9.00 a.m. to 5.00 p.m Monday to Friday, excluding bank holidays) shall be deemed given on the next business day (Monday to Friday, excluding bank holidays). 32.2 Except as expressly provided under this Agreement, the rights and remedies contained in this Agreement are cumulative and are not exclusive of any other rights or remedies provided by law or otherwise. 32.3 A failure or delay by either party to exercise any right or remedy under this Agreement shall not be construed or operate as a waiver of that right or remedy nor shall any single or partial exercise of any right or remedy preclude the further exercise of that right or remedy. 32.4 A waiver by either party of any breach of or default under this Agreement shall not be considered a waiver of a
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Extract the exact clause related to "Governing Law" from the excerpt above.

assistant: This Agreement shall be governed by and construed in all respects in accordance with the law of England and Wales and both parties submit to the exclusive jurisdiction of the English Courts.