(1) During a period of emergency, the Minister may, in writing, make a restrictive order that prohibits or regulates:
(a) the use, within a specified area, of radiocommunications transmitters; or
(b) the operation of transmitters within a specified area if such use is, in the Minister's view, likely to interfere with radiocommunications.
(2) The Minister:
(a) must not make the order unless guidelines are in force under section 230; and
(b) in making the order, must comply with the guidelines in force under section 230.
(3) The order comes into force:
(a) on the day it is published under subsection 223(1); or
(b) if a later day (being a day during a period of emergency) is specified in the order--on that later day.