What defines an authorized change in checking account transactions in CAP?

The correct response highlights the necessity of a formal and documented process for authorizing changes in checking account transactions within the CAP framework. Written authorization on CAPF 172 assures that there is a clear, traceable, and unambiguous record of approval for financial transactions. This form serves as an official document that captures the details of the transaction and the consent from appropriate authorities, ensuring that all actions are compliant with regulations and organizational standards.

In contrast, relying on informal or oral approvals, such as those suggested in the other options, may lead to misunderstandings or discrepancies in financial reporting and accountability. It is crucial to maintain a well-documented trail for any financial changes, thus upholding the integrity of the organization's financial operations.