Washington Code > Chapter 17.21 > § 17.21.920 Washington Code 17.21.920 – Short title Current as of: 2023 | Check for updates | Other versions This chapter may be cited as the Washington pesticide application act. [ 1961 c 249 § 33.] Ask a business law question, get an answer ASAP!Thousands of highly rated, verified business lawyers.Click here to chat with a lawyer about your rights. Previous sectionNext section Chapter 17.21 Contents