Sec. 510.1. Records

Each and every waterworks corporation holding consumer deposits shall keep such records as will show, with respect to each deposit:

(a) the name of the consumer making the deposit;

(b) the address (including street and number) of each depositor, if known;

(c) the date of receipt of the deposit;

(d) the amount of the deposit;

(e) the interest accrued upon the deposit to be entered biennially or more frequently;

(f) all credits of interest made in reduction of amounts billed for service rendered, and the dates of such credits;

(g) all payments of interest made on each deposit, and the dates of such payments;

(h) deductions representing sums due and unpaid to the corporation when depositor ceased to be a consumer, and the date thereof, together with such other information as any such corporation may deem necessary to make a complete record of each deposit.