Texas vaping advocates protest at state Capitol in response to call for ban KXAN Austin 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 Texas to ban sales of THC vapes starting Monday KUT Radio, Austin's NPR Station San Antonio could be the first Texas city to ban flavored vapes Texas vaping advocates protest at state Capitol in response to call for ban KXAN Austin Texas THC vape ban is here: What it might mean for you.