The date of enactment of this section, referred to in subsec. (a), is the date of enactment of Pub. L. 95–390, which was approved 
1979—Subsecs. (a), (b). Pub. L. 96–54 substituted “Office of Personnel Management” for “Civil Service Commission” and “Office” for “Commission”.
Amendment by Pub. L. 96–54 effective