41 C.F.R. § 101-30.403-2 Management codes.
Title 41 - Public Contracts and Property Management
For internal use within an agency, alphabetic codes excluding letters “I” and “O” may be prefixed or suffixed to the national stock number as CM7520–00–123–4567 or 7520–00–123–4567CM, as required for supply management operations. Numeric codes shall not be affixed immediately adjacent to or as a part of the national stock number, nor shall codes be intermingled in the national stock number. [41 FR 11309, Mar. 18, 1976]
Title 41: Public Contracts and Property Management
PART 101–30—FEDERAL CATALOG SYSTEM
Subpart 101–30.4—Use of the Federal Catalog System
§ 101-30.403-2 Management codes.
