30 Miss. Code. R. 3103-2.1
The preferred title for use by the licensed physical therapist is the initials PT. The licensed physical therapist assistant may use the title PTA.
A person issued a license to practice pursuant to the Act by the Mississippi State Board of Physical Therapy may use the titles physiotherapist, licensed or registered physical therapist, licensed or registered physical therapist assistant, and the abbreviations PT, DPT,LPT,RPT and PTA or LPTA, depending upon the license issued by the Board.
It shall be unlawful for any person, or business entity, its employees, agents or representatives to in any manner, represent himself/herself or itself as a physical therapist, a physical therapist assistant or someone who provides physical therapy services, or use in connection with his or its name the words or letters physiotherapist, registered or licensed physical therapist, PT, RPT, licensed physical therapist assistant, LPTA, PTA, or any other letters, words, abbreviations or insignia, indicating or implying that he or it is a physical therapist, a physical therapist assistant, or provides physical therapy services, without a valid existing license as a physical therapist or as a physical therapist assistant, as the case may be, issued to that person. It shall be unlawful to employ an unlicensed physical therapist or physical therapist assistant to provide physical therapy services.
30 Miss. Code. R. 3103-2.1