Where regulation 12 of the 1995 principal Regulations applies (application for EC unit verification) the fees shall be the aggregate of any one or more of the following—
(a) the amount in respect of any time calculated to the nearest quarter of an hour (a period of 7½ minutes being rounded up to a quarter of an hour) taken by examination staff conducting the examination at the rate of £65.00 per hour and by equipment test unit staff in testing the instrument at the rate of £65.00 per hour, including any time spent in travelling;
(b) the amount in respect of any time during which the instrument is:—
(i) tested in an environmental testing chamber, at the rate of £15.00 per hour;
(ii) tested for electromagnetic compatibility, at the rate of £60.00 per hour;
(c) the amount of additional expense, if any, incurred by or occasioned to the Secretary of State, by reason of any part of the examination or testing taking place at a place other than the National Weights and Measures Laboratory of the Department of Trade and Industry;
(d) the amount of additional expense, if any, incurred by or occasioned to the Secretary of State by reason of employing the assistance of a third party in the consideration of the application for EC unit verification;
and shall be due and payable as indicated in paragraphs 2 and 3 below.