62 The Critical Role of the Functional Manager in Project Success must administer the contract using procurement documents, the project plan, performance reports, approved change requests, and other work performance information to monitor the performance of your vendor. An experienced project manager will strive to keep the expectations of the vendor aligned with your expectations. The project environment is dynamic; change will occur. It is criti- cally important that both the project manager and the vendor under- stand how to manage change on contracts. Disputes During the course of the contract, disputes might arise for a number of reasons. Perhaps your organization argues that the vendor has not done all the work it is supposed to do, or that it has charged too much for the work, or that the work does not meet quality standards. Maybe the vendor claims that your organization's interpretation of contract terms and conditions is unreasonable and burdensome. In general, resolving disputes amicably is the smart approach. If an ami-