RCW 43.17.430: Adjustment of cash transaction total price.

(1) When pennies are not available, and except as provided in subsection (2) of this section, an agency may adjust the total price of a cash transaction by rounding the total in the same manner as provided in RCW 1.100.010 if any tax, fee, or similar charge included in or applicable to the transaction is remitted to the state on the prerounded amount.

(2) The total price of any transaction, without any rounding adjustment, may be paid by the customer at the customer's option if the customer has the exact legal tender to pay the total price.

(3) For the purpose of this section, "agency" has the same meaning as in RCW 42.56.010.