17 Requirements for transfer of class 1 substances from one type of transport to another (1) Regulation 46(1) of the principal regulations is amended by revoking paragraph (b), and substituting the following paragraph: "(b) where regulation 13 requires a class 1 substance to be under the personal control of an approved handler, ensure that there is an approved handler personally in control of the substances being transferred; and". (2) Regulation 46 of the principal regulations is amended by adding the following subclause: "(5) Containers containing class 1 substances held within a designated transfer zone must be separated from other hazardous substances by a distance of not less than 15 m."