7.—(1) The following methods of monitoring compliance of a child with the restrictions and requirements of a movement restriction condition are prescribed for the purposes of section 150(2)(b) of the Act, and may be specified in the compulsory supervision order or the interim compulsory supervision order—
(a)radio and electronic monitoring of the child’s presence at, or absence from, the place at which the child is required to reside, or any address, location or place which the child is required not to enter, by means of a regular radio signal transmitted by a transmitter device attached to the child with the transmitted signal received by a radio receiving and monitoring service located at such address, location or place, with the relevant information received and processed by said radio receiving and monitoring service periodically passed by telephone line to a central computer at a monitoring centre; and
(b)radio and electronic monitoring of the child’s presence at, or absence from, the place at which the child is required to reside, or any address, location or place which the child is required not to enter, by a mobile receiver which receives radio signals transmitted by transmitter device attached to the child.
(2) The method of monitoring in paragraph (1)(b) can only be used if it is not reasonably practicable to use the method in paragraph (1)(a).