Tex. Gov't Code § 1207.022
An issuer may issue refunding bonds to make a deposit under this subchapter or Subchapter C only in connection with refunding bonds issued to refund obligations that are:
Added by Acts 1999, 76th Leg., ch. 227, Sec. 1, eff. Sept. 1, 1999.
Amended by Acts 1999, 76th Leg., ch. 1064, Sec. 8, eff. Sept. 1, 1999.