41 C.F.R. § 102-2.55 How do I number my agency's supplementing regulations?
Title 41 - Public Contracts and Property Management
Since there is no corresponding FMR material, number the supplementing material “601” or higher. For example, your agency's supplementing regulations governing special services to states might start with §130–601.5.
Title 41: Public Contracts and Property Management
PART 102–2—FEDERAL MANAGEMENT REGULATION SYSTEM
Subpart A—Regulation System
Numbering
§ 102-2.55 How do I number my agency's supplementing regulations?