253.23. Every amount showed as payable on the account in accordance with section 253.21 or 253.22 must be paid in a single instalment.
Any such amount is due at the expiry of the time prescribed in the Act governing the municipal corporation in respect of real estate tax payment. If the amount is not paid, it bears interest from the expiry of the time prescribed, at the rate applicable to real estate tax arrears. The prescription period then begins to run.