(iii) the expiry of three months from the day of its issue; or (iv) the purpose for which the warrant was issued no longer exists, whichever may occur first. (d) (4) (5) (a) An inspector shall, immediately before commencing the execution of the warrant(i) identify himself or herself to the person referred to in the warrant or the owner or person in control of the premises, if such person is present; (ii) hand to such person a copy of the warrant or, if the person is not present, affix that copy to a prominent place on the premises; (iii) supply such person at his or her request with particulars regarding his or her authority to execute the warrant. Subject to paragraph (b) of this subsection and subsections (2) and (5) to (10), any inspector may, without a warrant(i) enter any premises, if the person who is competent to do so consents to that entry, and perform such of the acts contemplated in subsection (1) (a) to (f) which the person who is competent to do so consents to; or (ii) enter any premises other than a private dwelling and perform any of the acts contemplated in subsection (1) (a) to (f), except the search of any person, if there are reasonable grounds for believing that(aa) a warrant would be issued to the inspector under subsection (3) if the inspector were to apply for that warrant; and (bb) the delay in obtaining that warrant would defeat the purpose of the entry. (b) An inspector shall, immediately before entering premises in accordance with paragraph (a), identify himself or herself. (c) Any acts performed by an inspector by virtue of paragraph (a) (ii) will cease to have any legal effect unless a magistrate or a judge of a High Court having jurisdiction in the area where the acts were performed, confirms those acts on the application of an inspector brought within 10 days of the day on which those acts had been performed. An entry, search and seizure under this section shall be-