Notwithstanding anything in this Act, a person who immediately before the date of the commencement of this Act was keeping a dangerous wild animal at any premises and who is not disqualified as mentioned in section 6(2) of this Act, shall be entitled to keep such animal at those premises without a licence under this Act—
(a)for the period of 90 days beginning with that date; and
(b)if before the expiration of that period he applies for a licence under this Act, until the licence is granted or finally refused or the application is withdrawn.