Texas Government Code - GOV'T § 2.102. State and Local Government Policy Regarding Enforcement of Federal Firearm Laws

(a) An entity described by Section 2.101 may not adopt a rule, order, ordinance, or policy under which the entity enforces, or by consistent action allows the enforcement of, a federal statute, order, rule, or regulation that purports to regulate a firearm suppressor if the statute, order, rule, or regulation imposes a prohibition, restriction, or other regulation that does not exist under the laws of this state.

(b) No entity described by Section 2.101 and no person employed by or otherwise under the direction or control of the entity may enforce or attempt to enforce any federal statute, order, rule, or regulation described by Subsection (a).