(1) Beginning July 1, 2027, for portable batteries, and July 1, 2029, for medium format batteries, a retailer may not sell, offer for sale, distribute, or otherwise make available for sale a covered battery or battery-containing product unless the producer of the covered battery or battery-containing product certifies to the retailer that the producer participates in a battery stewardship organization whose plan has been approved by the department.

(2) A retailer is in compliance with the requirements of subsection (1) of this section and is not subject to penalties under RCW 70A.555.110 as long as the website made available by the department under RCW 70A.555.100 lists, as of the date a product is made available for retail sale, a producer or brand of covered battery or battery-containing product sold by the retailer as being a participant in an approved plan or the implementer of an approved plan.

(3) Retailers of covered batteries or battery-containing products are not required to make retail locations available to serve as collection sites for a stewardship program operated by a battery stewardship organization. Retailers that serve as a collection site must comply with the requirements for collection sites, consistent with RCW 70A.555.070.

(4) A retailer may not sell, offer for sale, distribute, or otherwise make available for sale covered batteries, unless those batteries are marked consistent with the requirements of RCW 70A.555.130. A producer of a battery-containing product containing a covered battery must certify to the retailers of their product that the battery contained in the battery-containing product is marked consistent with the requirements of RCW 70A.555.130. A retailer may rely on this certification for purposes of compliance under this subsection.

(5) A retailer selling or offering covered batteries or battery-containing products for sale in Washington may provide information, provided to the retailer by the battery stewardship organization, regarding available end-of-life management options for covered batteries collected by the battery stewardship organization. The information that a battery stewardship organization must make available to retailers for voluntary use by retailers must include, but is not limited to, in-store signage, written materials, and other promotional materials that retailers may use to inform customers of the available end-of-life management options for covered batteries collected by the battery stewardship organization.

(6) Retailers, producers, or battery stewardship organizations may not charge a specific point-of-sale fee to consumers to cover the administrative or operational costs of the battery stewardship organization or the battery stewardship program.