(a) This chapter shall not apply to common carriers by railroad engaged in intrastate trade or commerce; nor shall this chapter be construed to lessen the liability of such common carriers or take away or diminish any right that any employee of such common carrier or, in case of his death, the personal representative of such employee may have under the laws of this state; nor shall this chapter apply to employees whose employment is not in the usual course of trade, business, occupation, or profession of the employer or not incidental thereto; nor to farm laborers or domestic servants; nor to employers of such employees; nor to any person, firm, or private corporation, including any public service corporation, that has regularly in service less than three employees in the same business within this state, unless such employees and their employers voluntarily elect to be bound; nor to any person performing services as a licensed real estate salesperson or associate broker who has a written contract of employment providing that he or she shall perform all services as an independent contractor.

(b) This chapter shall not apply to any common carrier by railroad engaging in commerce between any of the several states or territories or between the District of Columbia and any of the states or territories and any foreign nation or nations nor to any person suffering injury or death while he is employed by such carrier in such commerce; nor shall this chapter be construed to lessen the liability of such common carrier or to diminish or take away in any respect any right that any person so employed or the personal representative, kindred, relation, or dependent of such person may have under the act of Congress approved April 22, 1908, relating to the liability of common carriers by railroad to their employees in certain cases.

(c) Notwithstanding the provisions of subsection (a) of this Code section, this chapter shall apply to employees of the Department of Corrections who are engaged in farm and livestock operations.

(d) This chapter shall not apply to persons who perform services pursuant to a written contract stating that the provider is an independent contractor and such person buys a product and resells it, receiving no other compensation; or to independent contract carriers who perform services for an employer who is a publisher or distributor of printed materials in transporting, assembling, delivering, or distributing printed materials and in maintaining any facilities or equipment incidental thereto, provided that:

(1) The independent contract carrier has with the employer a written contract as an independent contractor;

(2) Remuneration for the independent contract carrier is on the basis of the number of deliveries accomplished;

(3) With exception to providing the area or route which an independent contract carrier may or may not service, or providing materials or direction for the packaging or assembly of printed materials, the employer exercises no general control regarding the method of transporting, assembling, delivering, or distributing the printed materials; and (4) The contract entered by the independent contract carrier for such services does not prohibit it from the transportation, delivery, assembly, or distribution of printed materials for more than one employer.

(e) A person or entity shall otherwise qualify as an independent contractor and not an employee if such person or entity meets all of the following criteria:

(1) Is a party to a contract, written or implied, which intends to create an independent contractor relationship;

(2) Has the right to exercise control over the time, manner, and method of the work to be performed; and

(3) Is paid on a set price per job or a per unit basis, rather than on a salary or hourly basis.

A person who does not meet all of the above listed criteria shall be considered an employee unless otherwise determined by an administrative law judge to be an independent contractor.

(f)(1) As used in this subsection, the term "sports official" means any person who is a neutral participant in a sports event, including without limitation an umpire, referee, judge, linesman, scorekeeper, or timekeeper. The term "sports official" does not include any person, otherwise employed by an organization or entity sponsoring a sports event, who performs services as a sports official as a part of his or her regular employment.

(2) Notwithstanding any other provision of this chapter, a person shall qualify as an independent contractor and not an employee if such person performs services as a sports official for an entity sponsoring an interscholastic or intercollegiate sports event or if such person performs services as a sports official for a public entity or a private, nonprofit organization which sponsors an amateur sports event.