Americans with Disabilities Act (ADA) of 1990 (with amendments issued through 2008)
(A) Interim requirements
Not later than 1 year after July 26, 1990, the Secretary of Transportation shall issue regulations in an accessible format to carry out sections 12184(b)(4) and 12182(b)(2)(D)(ii) of this title that require each private entity which uses an over-the-road bus to provide transportation of individuals to provide accessibility to such bus; except that such regulations shall not require any structural changes in over-the-road buses in order to provide access to individuals who use wheelchairs during the effective period of such regulations and shall not require the purchase of boarding assistance devices to provide access to such individuals.
(ii) Effective period
The regulations issued pursuant to this subparagraph shall be effective until the effective date of the regulations issued under subparagraph (a).