Okla. Stat. tit. 59, § 59-1736: Titles and abbreviations

A. A person may not use the title or represent or imply that he

or she has the title of licensed dietitian or provisional licensed

dietitian or use the letters LD or PLD and may not use any facsimile

of those titles in any manner to indicate or imply that the person

is a licensed dietitian or provisional licensed dietitian, unless

that person holds an appropriate license.

B. A person shall not use the title or represent or imply that

he has the title of registered dietitian or the letters RD and shall

not use any facsimile of the title in any manner to indicate or

imply that the person is registered as a registered dietitian by the

Commission on Dietetic Registration, unless the person is registered

as a registered dietitian by the Commission on Dietetic

Registration.

C. Any person convicted of knowingly or intentionally violating

the provisions of subsection A or B of this section shall be guilty

of a misdemeanor.