68 (1) When a person holds a certificate issued by the Chief Safety Officer under section 27, 29, 31, 33, 53, 55, 57 or 63 or a valid document that has been accepted by the Chief Safety Officer under paragraph 26(c), 28(c), 30(c), 32(d), 33(1)(a), 52(d), 54(1)(b), 56(1)(b) or 62(d) and has held the certificate or document for at least five years, the Chief Safety Officer may, on application, issue to the person a certificate for the same category as the certificate or document that is held, and that certificate is to be valid, subject to section 35, 59 or 65, as applicable, for as long as the person is certified to be medically fit in accordance with paragraph 26(b), 52(b) or 62(b), as applicable.
(2) If a person satisfies the Chief Safety Officer that, for at least the five-year period before the date of making an application under this subsection, the person would have qualified for a certificate under these Regulations if the person had applied for one, the Chief Safety Officer may, on application, issue to the person a certificate for the same category as the certificate that the person would have qualified for, and that certificate is to be valid, subject to section 35, 59 or 65, as applicable, for as long as the person is certified to be medically fit in accordance with paragraph 26(b), 52(b) or 62(b), as applicable.