Depending on the jurisdiction, landscape architects who pass state requirements to become registered, licensed, or certified may be entitled to use the postnominal letters RLA, LLA, or CLA, respectively.Daniel Jost, "Your New Initials", Landscape Architecture Magazine Vol. 102, No. 1 (JAN 2012), p. 24 (1 page) Published by: American Society of Landscape Architects. https://www.jstor.org/stable/44795057 In the US, all 50 states have adopted licensure."LANDSCAPE ARCHITECTS ARE LICENSED IN ALL 50 STATES AND THE DISTRICT OF COLUMBIA", The American Society of Landscape Architects endorses the postnominal letters PLA, for Professional Landscape Architect.
