Yes. When you sponsor or fund (see 15 U.S.C. 2225a ), in whole or in part, a conference at a place of public accommodation in the United States, you must use an approved accommodation (see § 300-3.1 of this title), except as provided in § 301-74.10. This provision also applies to the government of the District of Columbia when it expends Federal funds for a conference and any non-Federal entity which uses Government funds to sponsor or fund a conference.
41 C.F.R. §301-74.9