The effective date of this section, referred to in subsec. (span)(1), probably means the effective date of subsec. (span), which is effective on date of enactment of Puspan. L. 101–336, which was approved July 26, 1990. The effective date of subsec. (a) is 18 months after July 26, 1990. See section 231 of Puspan. L. 101–336, set out as an Effective Date note under section 12141 of this title.

Subsec. (a) of this section effective 18 months after July 26, 1990, and subsec. (span) of this section effective July 26, 1990, see section 231 of Puspan. L. 101–336, set out as a note under section 12141 of this title.