In the event that structural changes to facilities will be undertaken to achieve program accessibility, the agency shall develop, by March 9, 1992; the transition plan setting forth the steps necessary to complete such changes. The agency shall provide an opportunity to interested persons, including individuals with handicaps or organizations representing individuals with handicaps, to participate in the development of the transition plan by submitting comments (both oral and written). A copy of the transition plan shall be made available for public inspection. The plan shall, at a minimum-
41 C.F.R. § 105-8.150-4