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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in this agreement (whether made innocently or negligently) shall be for breach of contract. 14.3 Nothing in this clause shall limit or exclude any liability for fraud. 15. Variation No amendment or variation of this agreement shall be effective unless it is in writing and signed by the parties (or their authorised representatives). 16. Assignment and other dealings prohibited 16.1 The Distributor shall not assign, transfer, mortgage, charge, declare a trust of or deal in any other manner with this agreement or any of its rights and obligations under or arising out of this agreement, or purport to do any of the same; provided, however, the Distributor may assign or transfer this agreement to a Permitted Assignee without the consent of Supplier. The Distributor shall not sub-contract or delegate in any manner any or all of its obligations under this agreement to any third party or agent. 16.2 If the Distributor seeks the Supplier's consent to any proposed dealing under clause 16.1, the Distributor must: - (a) disclose fully in writing all material facts relating to the dealing (b) comply fully with any conditions or requirements set down by the Supplier which attach to any Suppliers consent that is given. 16.3 Each party that has rights under this agreement is acting on its own behalf and not for the benefit of another person. 17. Freedom to contract The parties declare that they each have the right, power and authority and have taken all action necessary to execute and deliver and to exercise their rights and perform their obligations under this agreement. 12 Source: FUSE MEDICAL, INC., 10-K, 3/21/2019 18. Waiver No failure or delay by a party to exercise any right or remedy provided under this agreement or by law shall constitute a waiver of that or any other right or remedy, nor shall it preclude or restrict the further exercise of that or any other right or remedy. No single or partial exercise of such right or remedy shall preclude or restrict the further exercise of that or any other right or remedy. 19. Severance 19.1 If any provision of this agreement (or part of any provision) is found by any court or other authority of competent jurisdiction to be invalid, illegal or unenforceable, that provision or part-provision shall, to the extent required, be deemed not to form part of this agreement, and the validity and enforceability of the other provisions of this agreement shall not be affected. 19.2 If a provision of this agreement (or part of any provision) is found illegal, invalid or unenforceable, the provision shall apply with the minimum modification necessary to make it legal, valid and enforceable. 20. Notices 20.1 Any notice required to be given under this agreement, shall be in writing and shall be delivered personally, by email, or sent by pre-paid first class post or recorded delivery or by commercial courier, to each party required to receive the notice at its address as set out at the beginning of this agreement or as otherwise specified by the relevant party by notice in writing to each other party. 20.2 Any notice shall be deemed to have been duly received: (a) if delivered personally, when left at the address and for the contact referred to in this clause; or (b) if sent by pre-paid first class post or recorded delivery, at 9.00 am on the second Business Day after posting; or (c) if delivered by commercial courier, on the date and at the time that the courier's delivery receipt is signed; or (d) if delivered by email, on the date and at the time such email is received by the recipient whether such message is opened at that time. Any notice given or received by a lawyer for a party to this agreement is deemed to be given or received with the actual or ostensible authority of the lawyer. The Supplier may at times by notice nominate an address for service of legal proceeding, whether in Australia or in any other place. A nomination binds the 13 Source: FUSE MEDICAL, INC., 10-K, 3/21/2019 parties but nothing prevents the Supplier from making further nomination in place of any earlier nomination. 20.3 A notice given under this agreement shall not be validly given if sent by e-mail. 21. Third party rights 21.1 A person who is not a party to this agreement shall not have any rights under or in connection with it by virtue of the Contracts 21.2 The rights of the parties to
"""

Extract the exact clause related to "Anti-Assignment" from the excerpt above.

assistant: The Distributor shall not assign, transfer, mortgage, charge, declare a trust of or deal in any other manner with this agreement or any of its rights and obligations under or arising out of this agreement, or purport to do any of the same; provided, however, the Distributor may assign or transfer this agreement to a Permitted Assignee without the consent of Supplier.