Louisiana Revised Statutes Tit. 48, § 461.2. Limitations of outdoor advertising devices

(1) Directional and other official signs and notices, which shall include but not be limited to signs and notices pertaining to natural wonders, or scenic and historic attractions, as authorized or required by law.

(2) Signs, displays and devices advertising activities conducted on the property upon which they are located.

(3) Signs, displays and devices advertising the sale or lease of property upon which they are located.

(4) Signs, displays and devices located in areas which are zoned industrial or commercial under authority of law.

(5) Signs, displays and devices in unzoned commercial or industrial areas which areas shall be determined from actual land uses and defined by regulations to be promulgated by the department.

(6) Signs which are erected and maintained by churches and schools, which do not in any way obstruct vision or endanger traffic.

(7) Signs which are erected and maintained by individuals which advertise the sale of seasonal agricultural products. Such signs shall be for the sale of agricultural products grown by the individual who erects and maintains the signs and the products shall be offered for sale at the location where they are grown. Such signs shall be exempt from the prohibition contained in this Subsection only for the period of time during which the agricultural product is “in season” and shall be removed each year after the season. The department shall promulgate regulations to set standards for such signs to ensure that they are temporary and pose no danger to passing traffic.