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 The Texas Supreme Court ruled Friday that state regulators may criminalize Delta 8 THC, the intoxicating compound found in some hemp products a significant blow to an industry fighting for its survival. Texas THC Vape Ban Just Took Effect As of Sept 1, it's now illegal for retailers in Texas to sell or promote THC vapes. Here's what you need to know Marijuana, guns, more than 100 THC vapes discovered in vehicle speeding through San Antonio school zone, DPS says