The redemption certificate for a redemption under this article shall show:
(a) The amounts used to arrive at the redemption amount at the time of an election to pay delinquent taxes in installments;
(b) The portions of the redemption amount and interest previously paid, including all credits allowed;
(c) The portion of the redemption amount and interest required to make the redemption.
(Added by Stats. 1939, Ch. 1076.)