LAC 7:XXIX.115
D. Licensees must display at least one of their license numbers on both sides of all vehicles that have advertisement or signs and are used for business purposes with lettering at least 2 inches high and legible at the distance of 25 feet. The number to be displayed shall be the last four digits of the license number preceded by two letters indicating the type of license as follows.
AR―Arborist
LH―Landscape Horticulturist
LA―Landscape Architect
IC―Landscape Irrigation Contractor
UA―Utility Arborist
AUTHORITY NOTE: Promulgated in accordance with R.S. 3:3801 and R.S. 3:3808.
HISTORICAL NOTE: Promulgated by the Department of Agriculture, Horticulture Commission, LR 8:185 (April 1982), amended by the Department of Agriculture and Forestry, Horticulture Commission, LR 20:640 (June 1994), LR 21:548 (June 1995), LR 31:1053 (May 2005), LR 34:2547 (December 2008), LR 35:1227 (July 2009), amended LR 46:1076 (August 2020), LR 51:27 (January 2025).