This is interesting, section 9 of that contract prevents the merchant from working with any other MCA funder at all (including on a payoff) unless First Funds denies them for a renewal:

9. Sale of Additional Future Receivables; Schedules; Right of First Refusal. Nothing herein shall obligate either party to sell and purchase future credit card receivables; however, Seller grants Purchaser the right of first refusal to purchase any such additional future credit card receivables that Seller may wish to sell during the term of this Agreement and during the period ending ninety (90) days after termination of this Agreement. Under such right of first refusal, if Seller desires to sell additional future credit card receivables, Seller agrees to sell such receivables to Purchaser only, and not to any other prospective purchaser, so long as Purchaser purchases such future credit card receivables on terms that are no less favorable to Seller as the terms and conditions of this Agreement.