articleThe Brief A coalition of hemp businesses and a retired police officer filed a federal lawsuit to halt a state rule reclassifying delta-8 and other hemp-derived THCs as Schedule I controlled substances. A coalition of hemp businesses and a retired police officer filed a federal lawsuit on Friday against Texas state and local officials, seeking to halt an executive agency rule that reclassifies popular hemp-derived products as Schedule I controlled substances. Hemp businesses sue Texas over THC rulesWhat we know:The lawsuit, filed in the U.S. District Court for the Southern District of Texas, challenges a regulation republished by the Texas Department of State Health Services (DSHS). Under the rule, which went into effect Friday, non-delta-9 tetrahydrocannabinols (THCs)—including hemp-derived delta-8 THC—are listed alongside illegal Schedule I drugs. Plaintiffs cite constitutional and statutory violationsThe complaint asserts that the state agency rule violates both federal and state law.