(3) After the day so specified in the said notice, if the Registrar is satisfied that the deposits of the insurer, or insurance broker are substantially in excess of the requirements under this Act governing the same in respect of the continuing policy holders, he or she may, from time to time, release to the insurer or insurance broker such portion of the excess as he or she thinks proper in the circumstances, and shall continue to hold the remainder of the deposits for the protection of the continuing policy holders as is provided by this Act, thereafter from time to time as such policies lapse or proof is adduced to the satisfaction of the Registrar that they have been satisfied, further amounts may be released on the authority aforesaid.