Signed Contract with the CxA

We are pursuing LEED Certification for a 476921.20 sq ft Mixed Use Office Building in Egypt. Building Owner is a multinational design firm who do both tasks, the project design and the LEED enhanced commissioning but with a separate qualified professional team member. We uploaded an Owner signed agreement form stating that the owner will conduct the Cx responsibilities himself. We finally received the construction phase preliminary review report from USGBC and they have the following comment "Provide the signed contract between the owner and the CxA, which ensures post-construction Cx activities. Note that the contract must be signed by both parties in order to be considered a legally binding contract". My question is: is there is any specific template for this contract? All the Best,