The Brief After months of delays, Texas’ new THC regulations are set to take effect Friday. The so-called "Total THC" rules limit the amount of THC allowed in consumable hemp products. After months of back-and-forth in court, new THC rules are set to go into effect Friday in Texas. What we know:The so-called "Total THC" rules were supposed to take effect March 31, but have been paused several times since then through court injunctions. DSHS announced its intention in the July 10 issue of the Texas Register to reinstate the new THC rules.