ADA Technical Assistance
U.S. Department of Justice
Civil Rights Division
Disability Rights Section
Part 36 Nondiscrimination on the Basis of Disability in Public Accommodations and Commercial Facilities
(as amended by the final rule published on September 15, 2010)
This link will give you all the new regulations that went into effect March 2011.
You can have your own copy:
By calling the ADA Information Line at 1-800-514-0301 (voice) or 1-800-514-0383 (TTY), 24 hours every day.