Washington Revised Code Title 82. Excise Taxes § 82.14.040. County ordinance to contain credit provision

(1) Any county ordinance adopted under RCW 82.14.030(1) shall contain, in addition to all other provisions required to conform to this chapter, a provision allowing a credit against the county tax imposed under RCW 82.14.030(1) for the full amount of any city sales or use tax imposed under RCW 82.14.030(1) upon the same taxable event.

(2) Any county ordinance adopted under RCW 82.14.030(2) shall contain, in addition to all other provisions required to conform to this chapter, a provision allowing a credit against the county tax imposed under RCW 82.14.030(2) for the full amount of any city sales or use tax imposed under RCW 82.14.030(2) upon the same taxable event up to the additional tax imposed by the county under RCW 82.14.030(2).