29 CFR 1604.1: General principles.

(a) References to “employer” or “employers” in this part 1604 state principles that are applicable not only to employers but also to labor organizations and to employment agencies insofar as their action or inaction may adversely affect employment opportunities.

(b) To the extent that the views expressed in prior Commission pronouncements are inconsistent with the views expressed herein, such prior views are hereby overruled.

(c) The Commission will continue to consider particular problems relating to sex discrimination on a case-by-case basis.