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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or site to be loaded so as to endanger its safety; 4) not bring hazardous materials onto the site without prior written authorization by EDGE; 5) exercise utmost care and carry on its activities under supervision of properly qualified personnel, when use or storage of explosives or other hazardous materials or equipment or unusual methods are necessary for execution of the Work; and 6) dispose of any hazardous materials in accordance with applicable law. D. Without limitation of Subcontractor's obligation under this Agreement, the Subcontractor shall indemnify EDGE as identified in Section 13 for any Claims caused by hazardous materials. 19. CLEAN UP Subcontractor shall at all times keep the Work premises free from accumulations of waste material, rubbish, and any other debris resulting from the Work. On an ongoing basis as the Work progresses, and at the completion of the Work, Subcontractor shall restore to essentially its former condition, and to the satisfaction of EDGE, all aspects of the Work site and shall remove all waste and excess materials, tools, and equipment resulting from or used in the Work and legally dispose thereof. All costs and expenses of any type for cleanup, restoration, and removal noted above will be borne by Subcontractor at no cost to EDGE. If Subcontractor fails in its duties under this clause, EDGE may upon notice to Subcontractor perform the necessary clean up and deduct the costs thereof from any amounts due or to become due to Subcontractor or invoice Subcontractor therefore, which invoice shall be paid net 30 days. Manholes, cable vaults, and central office Work areas will be cleared of all litter by Subcontractor on a daily basis where Work is being performed. 20. NOTICE OF MATERIAL DEFECTS Subcontractor agrees to promptly notify EDGE upon learning of any material defect, misstatement or omission in rendering any Work. STRATEGIC ALLIANCE AGREEMENT "EDGE-FTE" Page 9 21. WAIVER The waiver by either party of any breach of this Agreement by the other party in a particular instance shall not operate as a waiver of subsequent breaches of the same or different kind. The failure of either party to exercise any rights under this Agreement in a particular instance shall not operate as a waiver of the party's right to exercise the same or different rights in subsequent instances. 22. NOTICES A. Any written notice or demand which under the terms of this Agreement or under any statute must or may be given or made by EDGE or Subcontractor shall be in writing and addressed to the respective parties as stated in this Agreement. Notice shall be sent by certified, registered or express mail, other overnight delivery service, or shall be hand delivered. Written notice by facsimile shall satisfy the notice requirements of this Agreement where the individual to whom the facsimile is addressed acknowledges receipt of such notice by return facsimile or other means as provided in this Section. The addresses below may be changed at any time by giving prior written notice as above provided. TO: TO: EDGE Communications Solutions, LLC FTE Networks, Inc. Attn: Mark Miller, EVP - Operations Attn: General Counsel 6505 Windcrest Drive 999 Vanderbilt Beach Blvd Suite 200 Suite 601 Plano, TX 75024 Naples, FL 34108 Such notice shall be deemed to have been given or made when actually received or seventy-two (72) hours after being sent as specified above, whichever occurs first. 23. ASSIGNMENT Subcontractor shall not assign any right or interest under this Agreement (excepting monies due, or to become due) or delegate or subcontract any Work or other obligation to be performed or owed under this Agreement without prior consent of EDGE. Notwithstanding, Subcontractor may delegate or assign Work under this Agreement to a subsidiary operating entity. All Work performed by Subcontractor's Lower- tier Subcontractors shall be deemed Work performed by Subcontractor. 24. BINDING EFFECT This Agreement shall bind and inure to the benefit of the parties hereto and their respective heirs, legal representatives, successors and permitted assigns. STRATEGIC ALLIANCE AGREEMENT "EDGE-FTE" Page 10 25. CHOICE OF LAW/FORUM The construction, interpretation, and performance of this Agreement and all transactions under it shall be governed by the laws of the State of Texas, irrespective of its conflict of law principles. Subcontractor and EDGE shall not be obligated to resolve by arbitration any claim or dispute related to the Agreement. It is mandatory that any controversy or claim arising out of or relating to the Agreement or the breach thereof shall be subject to the jurisdiction of the State of
"""

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

assistant: Subcontractor shall not assign any right or interest under this Agreement (excepting monies due, or to become due) or delegate or subcontract any Work or other obligation to be performed or owed under this Agreement without prior consent of EDGE.