To which facilities does the Architectural Barriers Act apply?

What standards must facilities subject to the Architectural Barriers Act meet?

When are the costs of alterations to provide an accessible path of travel to an altered area containing a primary function disproportionate to the costs of the overall alterations for facilities subject to the standards in §102-76.65(a)?

What costs are included in the costs of alterations to provide an accessible path of travel to an altered area containing a primary function for facilities subject to the standards in §102-76.65(a)?

What is required if the costs of alterations to provide an accessible path of travel to an altered area containing a primary function are disproportionate to the costs of the overall alterations for facilities subject to the standards in §102-76.65(a)?

What is a primary function area for purposes of providing an accessible route in leased facilities subject to the standards in §102-76.65(a)?

Who has the authority to waive or modify the standards in §102-76.65(a)?

What recordkeeping responsibilities do Federal agencies have?