Texas Agriculture Code - AGRIC § 251.005. Effect of Governmental Requirements

(a) For purposes of this section, the effective date of a governmental requirement is the date on which the requirement requires or attempts to require compliance as to the geographic area encompassed by the agricultural operation.  The recodification of a municipal ordinance does not change the original effective date to the extent of the original requirements.

(b) A governmental requirement of a political subdivision of the state other than a city:

(c) A governmental requirement of a city does not apply to any agricultural operation situated outside the corporate boundaries of the city on the effective date of this chapter.  If an agricultural operation so situated is subsequently annexed or otherwise brought within the corporate boundaries of the city, the governmental requirements of the city do not apply to the agricultural operation unless the requirement is reasonably necessary to protect persons who reside in the immediate vicinity or persons on public property in the immediate vicinity of the agricultural operation from the danger of:

(c-1) A governmental requirement may be imposed under Subsection (c) only after the governing body of the city makes findings by resolution that the requirement is necessary to protect public health.  Before making findings as to the necessity of the requirement, the governing body of the city must use the services of the city health officer or employ a consultant to prepare a report to identify the health hazards related to agricultural operations and determine the necessity of regulation and manner in which agricultural operations should be regulated.

(c-2) A governmental requirement of a city relating to the restraint of a dog that would apply to an agricultural operation under Subsection (c) does not apply to a dog used to protect livestock on property controlled by the property owner while the dog is being used on such property for that purpose.

(d) This section shall be construed to maintain, to the limited degree set forth in this section, the authority of a political subdivision under prior law over nonconforming uses but may not be construed to expand that authority.

(e) A governmental requirement of a political subdivision of the state does not apply to conduct described by Section 42.09(f), Penal Code, on an agricultural operation.