Chapter 3.66 SALES AND USE TAX This chapter is included in your selections. Sections: 3.66.010 Sales and use tax authorized by RCW 82.14.030(1) as amended by Section 17, Chapter 49, Laws of 1982 (First Extraordinary Session). 3.66.020 Sales and use tax authorized by RCW 82.14.030(2) as enacted by Section 17, Chapter 49, Laws of 1982 (First Extraordinary Session).