41 C.F.R. § 60-20.4 Seniority system.
Title 41 - Public Contracts and Property Management
Where they exist, seniority lines and lists must not be based solely upon sex. Where such a separation has existed, the employer must eliminate this distinction.
Title 41: Public Contracts and Property Management
PART 60–20—SEX DISCRIMINATION GUIDELINES
§ 60-20.4 Seniority system.