Except as otherwise provided in this subtitle or §§ 10–14A–03 and 10–14B–03 of the State Government Article, an individual shall be licensed by the Board before the individual may practice dietetics in the State. The following individuals may practice dietetics without a license: A student or trainee, working under the supervision of a licensed dietitian-nutritionist while fulfilling an experience requirement or pursuing a course of study to meet requirements for licensure, for a limited period of time as determined by the Board; An individual employed by the United States government to practice dietetics, while practicing within the scope of that employment; and An individual who aids in the practice of dietetics, if the individual works under the supervision of a licensed dietitian-nutritionist or licensed physician.