3.—(1) For the purposes of section 21(4) of the Act the following are not to be treated as auxiliary aids or services—
devices, structures or equipment the installation, operation or maintenance of which would necessitate making a permanent alteration to or which would have a permanent effect on the physical fabric of premises, fixtures, fittings, furnishings, furniture, equipment or materials.
(2) This Regulation will cease to have effect on the coming into operation of section 21(2)(a), (b) and (c) of the Act.