Texas law banning marketing, sale of certain e cigarette products takes effect The Daily Texan Bill looking to ban THC in Texas examined during second special session A new Texas law that bans the sale of TC infused vapes took effect on Monday. Although the law does not ban the possession of TC vape pens, retailers who sell them could What is the new Texas vape ban? Partner Lisa Herrick breaks down the 4 illegal categories of vapes in this video.