2006—
Pub. L. 109–364 substituted “promotions” for “promotion” in section catchline.
Section effective Sept. 15, 1981, but the authority to prescribe regulations under this section effective on Dec. 12, 1980, see section 701 of
Pub. L. 96–513, set out as an Effective Date of 1980 Amendment note under section
101 of Title
10, Armed Forces.