3.—(1) The issue fee under paragraph 2(2) above is determined as follows:
(a)for a number of units of accommodation not exceeding 15, the fee is the relevant amount;
(b)for a number of units of accommodation exceeding 15 and forming a multiple of 5, the fee is the relevant amount plus the relevant amount for each multiple of 5 in excess of
(c)for a number of units of accommodation exceeding 15 and not forming a multiple of 5, the fee is the fee applicable under paragraph (b) above for the multiple next above that number.
(2) For the purposes of determining the fee under paragraph 2(2) above–
(a)units of accommodation in which colour television receivers are installed or used shall be counted first; and
(b)if in any group of 5 units of accommodation in excess of 15 there are installed or used both black and white television receivers and colour television receivers, all the television receivers in that group shall be treated as if they were colour television receivers.