HB 4222 of 2023 Posted on March 9, 2023 by Sales tax: exemptions; sales tax holiday for back-to-school clothing and school supplies; provide for. Amends 1933 PA 167 (MCL 205.51 – 205.78) by adding secs. 4kk & 19a. Last Action: 3/9/2023 – bill electronically reproduced 03/09/2023