8.—(1) Any officer of a rank not lower than major may—
(a)by notice in writing call out for the purposes of training a person enlisted for part-time service;
(b)require a person called out under regulation 6 or under regulation 7 to undergo training.
(2) Any such training shall not, otherwise than with the person’s consent, in any year of his service exceed a period of 15 days or periods together totalling 15 days.