Tex. Gov't Code § 1203.041
(a) This section applies to a public security only if the public security authorization relating to the security:
(b) A public security that is issued with one or more coupons becomes fully registrable if:
(c) A public security that is issued as a fully registrable security becomes a security with one or more coupons if:
Added by Acts 1999, 76th Leg., ch. 227, Sec. 1, eff. Sept. 1, 1999.