A retailer is not required to apply a core charge to a battery sale when the buyer submits verifiable proof that the battery is needed for an original battery installation. Verifiable proof shall consist of a voucher issued by the seller of the vehicle or device containing the following:
Vouchers shall be valid for ninety days following the date of issuance and must be surrendered to the retailer during the battery sale.
Wash. Admin. Code § 173-331-210
Statutory Authority: RCW 70.95.670. 91-05-020 (Order 90-36), § 173-331-210, filed 2/11/91, effective 3/14/91.