2. In regulation 2 of the principal regulations (charges for optical appliances supplied by a Board or an HSS trust)—
(a)in paragraph (3) for “£38·60” there shall be substituted “£39·00”;
(b)in paragraph (5)(b) for “£47·30” and “£76·90” in both places where they occur there shall be substituted “£47·80” and “£77·80” respectively.