3.—(1) Subject to sub-paragraph (2), any such order shall come into force on such date as may be specified in the order, being a date falling not less than 28 days after the date when it is made.
(2) Where—
(a)any such order applies to any worker whose remuneration is paid at intervals not exceeding seven days, and
(b)the date specified by virtue of sub-paragraph (1) does not correspond with the beginning of any period for which his remuneration is so paid, the order shall have effect in relation to that worker as from the beginning of the next such period following the date so specified.