Tobacco: retail sales; sale of electronic cigarette or any oral device that provides vapor nicotine to minors; prohibit, require sellers of liquid nicotine containers to ensure that the products meet certain requirements, and provide for other general amendments. Amends title & secs. 1, 2 & 4 of 1915 PA 31 (MCL 722.641 et seq.) & adds secs. 2b & 2c.