Opinion No.

Office of the Attorney General — State of Texas John Cornyn The Honorable David Cain Chairman Senate Committee on Administration Texas State Senate P.O. Box 12068 Austin, Texas 78711

Re: Whether the Texas Department of Health has exceeded its authority in adopting a rule requiring certain dietary supplements sold in Texas to bear a label with a United States Food and Drug Administration toll-free telephone number for reporting adverse events (RQ-0414-JC)

Dear Senator Cain:

You ask whether the Texas Department of Health ("TDH") has exceeded its authority in adopting a rule requiring certain…