(1) In this regulation unless the contrary intention appears }column~ means a column of Schedule 4.

(2) Subject to regulation 9, an apprentice in a trade specified in column 1 whose term of apprenticeship is for a term specified in column 2 of Schedule 1 and who is directed to undertake instruction by correspondence lessons and to attend classes of intensive training as applicable to his case, shall undertake such lessons and training during the first, second, third and fourth year of his apprenticeship at the rate and for the periods respectively specified opposite and corresponding to his trade in columns 2, 3, 4 and 5 respectively.