Professional Services Agreement (TX). ▫ For sample clauses for use in a services agreement that involves the service provider using, storing, or otherwise.The undersigned intends to enter into a formal agreement with the subcontractor listed, conditioned upon being awarded the City of Dallas contract. A submission agreement is a contract between two parties that establishes the use of arbitration to settle any disputes that may arise between them. Required Submittal: 1. Sample contracts (if pertinent) are attached.