Modification Number

Name:   Modification Number

Screen Name: Mod No

Definition: An identifier issued by an agency that uniquely identifies one modification for one contract, agreement, order, etc.

FAR/DFARS: DFARS 253.204-70(b)(2)

Length: Variable (Maximum 25 characters)

Required: Mandatory for Modifications.

Values: NA  

FPDS Legacy: Currently collected; PEC approved

Notes: Modification Number must not equal “Award” or “Basic” or all zeros or any other “odd” /disallowed value.


Instruction: When reporting modifications to contracts, agreements, or orders, report the modification number assigned by the reporting contracting office.  For any given PIID, all Modification Numbers must be unique.