(1) The tax imposed by RCW 82.12.020 does not apply to the use of:
(a) New battery-powered electric marine propulsion systems with continuous power greater than fifteen kilowatts;
(b) New vessels equipped with propulsion systems that qualify under (a) of this subsection;
(c)(i) Batteries and battery packs used to exclusively power electric marine propulsion systems or hybrid electric marine propulsion systems, if such systems operate with a continuous power greater than fifteen kilowatts;
(ii) Labor and services rendered in respect to installing, repairing, altering, or improving batteries or battery packs that qualify under (c)(i) of this subsection; and
(d)(i) New shoreside batteries purchased and installed for the purpose of reducing grid demand when charging electric and hybrid vessels;
(ii) Labor and services rendered in respect to installing, altering, or improving shoreside batteries; and
(iii) Tangible personal property that will become a component of shoreside batteries infrastructure.
(2) Sellers may make tax exempt sales under this section only if the buyer provides the seller with an exemption certificate in a form and manner prescribed by the department. The seller must retain a copy of the certificate for the seller's files.
(3) The definitions in RCW 82.08.996 apply to this section.
(4) This section expires July 1, 2030.