Fireworks: penalties; sale and use of fireworks; regulate, and repeal Michigan fireworks safety act. Amends 1931 PA 328 (MCL 750.1 - 750.568 ) by adding secs. 243f, 243g, 243h, 243i & 243j & repeals 2011 PA 256 (MCL 28.451 - 28.470 ).