When the contract on which the claim is based is in writing, in whole, or in part, the plaintiff shall attach copies of the contract or relevant portions of the contract as an exhibit to all copies of the claim, unless one of the following exists:

1. (1) The plaintiff avers in the claim that all copies of the contract are in the possession of the defendant.
2. (2) The Chief Administrative Judge directs that the contract or relevant portions not be attached.