4The following provisions shall have effect where the Minister does not proceed under the last foregoing paragraph:—
(a)if he is not required by paragraph 2 of this Schedule to consider a general objection and if either he is not so required to consider any special objection or all special objections which he is so required to consider appear to him, upon consideration thereof, to be frivolous, he may, unless he decides to take no further proceedings with respect thereto, either make the regulations in the terms of the draft or, if he thinks fit so to do, refer the draft regulations for inquiry and report under Part III of this Schedule ; and
(b)in any other case, he shall, unless he decides to take no further proceedings with respect thereto, refer the draft regulations for inquiry and report as aforesaid.