83.—(1) The circumstances in which a person specified in section 164(2) of the Traffic Act shall, on being required by a police constable, state his date of birth are—
(a)where that person fails to produce forthwith for examination his licence on being required to do so by a police constable under that section; or
(b)where, on being so required, that person produces a licence—
(i)which the police constable in question has reason to suspect was not granted to that person, was granted to that person in error or contains an alteration in the particulars entered on the licence (other than as described in paragraph (ii)) made with intent to deceive; or
(ii)in which the driver number has been altered, removed or defaced;
(c)where that person is a person specified in subsection (1)(d) of that section and the police constable has reason to suspect that he is under 21 years of age.
(2) In paragraph (1), “driver number” means the number described as the driver number in the licence.