A banker's licence in force immediately before the commencement of this section shall continue in force during the period from such commencement -
(a) to the date of the grant of a licence to the holder of the banker's licence,
(b) to the 31st day of December immediately following such commencement, or
(c) if the banker's licence is revoked, to the date of the revocation,
whichever shall first occur, and the provisions of this Act shall apply during the period aforesaid in relation to the holder and the banker's licence as if the holder were the holder of a licence and the banker's licence were a licence.