2005—Pub. L. 109–59 amended section catchline and text generally, substituting provisions relating to safety belt performance grants for provisions relating to school bus driver training.

1978—Subsec. (c). Pub. L. 95–599 substituted “section shall not exceed 75 per centum” for “title shall not exceed 70 per centum”.

1976—Subsecs. (b), (c). Pub. L. 94–280 redesignated as subsec. (c) the authorization provisions previously set out as a second subsec. (b), provided for obligation of at least $7,000,000 for fiscal years 1977 and 1978 to carry out this section, and provided for availability of funds for obligation in the same manner and to the same extent as if the funds were apportioned under section 402 (c) of this title.

Amendment by Pub. L. 109–59 effective Oct. 1, 2005, see section 2022 of Pub. L. 109–59, set out as a note under section 402 of this title.

Amendment Pub. L. 95–599 effective with respect to obligations incurred after Nov. 6, 1978, see section 129(h) of Pub. L. 95–599, set out as a note under section 120 of this title.