Any state-assisted rental housing or rental housing project constructed or substantially rehabilitated under a building permit application filed on or after January 1, 1976, and prior to October 1, 2004, that contains ten or more housing units shall have at least ten per cent of the units and all common use areas and facilities designed to promote safe and accessible means of entrance and egress and ease of access and use of facilities for the physically disabled, as defined in subsection (b) of section 1-1f, unless a waiver of such requirement is obtained from the Commissioner of Housing as provided in this section. Any state-assisted rental housing or rental housing project constructed or substantially rehabilitated under a building permit application filed on or after October 1, 2004, that contains four or more dwelling units shall have the dwelling units and all common use areas and facilities designed in accordance with the State Building Code to promote the safe and accessible use of facilities for the physically disabled, as defined in subsection (b) of section 1-1f, unless such waiver is obtained. Said commissioner may, with the concurrence of the State Building Inspector, waive the requirement for such units for any state-financed rental housing project awarded state assistance under sections 8-214a and 8-216b, provided all requirements concerning the provision of housing units accessible to the physically disabled promulgated by the United States Department of Housing and Urban Development have been met. The State Building Inspector shall electronically publish such waiver on the Internet web site of the Department of Administrative Services. Physically disabled persons and families shall receive priority in placement in no less than ten per cent of the housing units constructed or substantially rehabilitated after January 1, 1976.