(a) Incorporation by reference. There are hereby incorporated by reference into this part the regulations issued by the Secretary of Labor on May 21, 1968, and published in the Federal Register on May 28, 1968 (41 CFR part 60-1, 33 FR 7804), except for the following provisions:

(b) Applicability and effectiveness. The regulations incorporated by reference in paragraph (a) of this section apply to grant agreements made after June 30, 1968. They also apply to contracts, as defined in § 60-1.3(f) of Title 41, entered into under any grant agreement made before or after that date, as provided in § 60-1.47 of Title 41.