29 CFR § 541.300 - General rule for professional employees.
(a) The term “employee employed in a bona fide professional capacity” in section 13(a)(1) of the Act shall mean any employee:
(1) Compensated on a salary or fee basis pursuant to § 541.600 at a rate of not less than $684 per week (or $455 per week if employed in the Commonwealth of the Northern Mariana Islands, Guam, Puerto Rico, or the U.S. Virgin Islands by employers other than the Federal government, or $380 per week if employed in American Samoa by employers other than the Federal government), exclusive of board, lodging or other facilities; and
(2) Whose primary duty is the performance of work:
(i) Requiring knowledge of an advanced type in a field of science or learning customarily acquired by a prolonged course of specialized intellectual instruction; or
(ii) Requiring invention, imagination, originality or talent in a recognized field of artistic or creative endeavor.