Reason for modification attribute
The SAM.gov Contract Data reason explaining why a federal transaction modified an existing award or IDV.
- Type:
string | null - Value set: Enum
- Data types: Federal transaction
- Fields:
reason_for_modification
Reason for modification is the SAM.gov Contract Data field explaining why a transaction changed an existing award or IDV, such as funding, an option exercise, administrative updates, or termination. Use it to read the transaction as a contract change event rather than a new stand-alone award.
Values
GovTribe normalizes modification reason codes into customer-facing labels.
Additional Work (new agreement, FAR part 6 applies): The modification adds work that requires a new agreement.Supplemental Agreement for work within scope: The modification is a supplemental agreement for in-scope work.Funding Only Action: The modification changes funding only.Change Order: The modification is a change order.Terminate for Default: The modification terminates the contract for default.Terminate for Convenience: The modification terminates the contract for convenience.Exercise an Option: The modification exercises an option.Definitize Letter Contract: The modification definitizes a letter contract.Novation Agreement: The modification records a novation agreement.Close Out: The modification closes out the contract.Definitize Change Order: The modification definitizes a change order.Other Administrative Action: The modification is another administrative action.Legal Contract Cancellation: The modification cancels the contract for legal reasons.Rerepresentation of Non-Novated Merger/Acquisition: The modification records rerepresentation after a non-novated merger or acquisition.Rerepresentation: The modification records a rerepresentation.Change PIID: The modification changes the procurement instrument identifier.Transfer Action: The modification transfers the action.Vendor DUNS or Name Change - Non-Novation: The modification records a vendor DUNS or name change without novation.Vendor Address Change: The modification records a vendor address change.Terminate for Cause: The modification terminates the contract for cause.Add Subcontract Plan: The modification adds a subcontracting plan.