(1) An application for a surveillance device warrant may be made under section 17 by telephone, e-mail or any other means of communication if--(a) a law enforcement officer reasonably believes that it is impracticable for the application to be made in person, or(b) a law enforcement officer reasonably believes that the immediate use of a surveillance device is necessary, or(c) the eligible Judge or eligible Magistrate who is to determine the application requests that it is made that way.
(2) If an affidavit has been prepared, the person applying must transmit a copy of the affidavit, whether sworn or unsworn, to the eligible Judge or eligible Magistrate who is to determine the application.