WAC 173-331-210. Optional exemption to the core charge

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: (1) Title, address, and phone of the retail establishment; (2) Brief description of the vehicle or device sold with indication that a battery(s) was not included; (3) Date of issuance; (4) Name of the purchaser; and (5) Signature of the sales agent. Vouchers shall be valid for ninety days following the date of issuance and must be surrendered to the retailer during the battery sale.