Where should a change order be attached?

A change order should be attached to the contract because it serves as an official document that modifies the terms of the existing agreement between the contractor and the client. When a change order is added to the contract, it ensures that both parties have a clear understanding of the new scope of work, any adjustments in cost, and changes to the project timeline. This attachment is crucial for maintaining a comprehensive, organized record of the project's modifications and for avoiding potential disputes over what has been agreed upon after the original contract was signed.

Attaching a change order to the invoice, project blueprints, or financial records does not provide the same level of clarity and formality. While those documents may reference the change order, they do not serve as the primary location for formal agreement modification. By keeping the change order within the context of the contract, it ensures that all changes are formally documented in relation to the original terms set forth in the contract, facilitating better project management and accountability.