(1) "Agricultural labor" means all services performed on a farm or ranch in connection with cultivating the soil or in connection with raising or harvesting any agricultural or horticultural commodity, including the raising, shearing, feeding, caring for, training, and management of livestock, bees, poultry, and fur-bearing animals and wildlife.
(2) (a) "Employee" means:
(i) an individual who performs services for another individual or an organization having the right to control the employee as to the services to be performed and as to the manner of performance;
(ii) an officer, employee, or elected public official of the United States, the state of Montana, or any political subdivision of the United States or Montana or any agency or instrumentality of the United States, the state of Montana, or a political subdivision of the United States or Montana;
(iii) an officer of a corporation;
(iv) all classes, grades, or types of employees, including minors and aliens, superintendents, managers, and other supervisory personnel.
(b) The term does not include a sole proprietor performing services for the sole proprietorship.
(3) "Employer" means:
(a) the person for whom an individual performs or performed any service, of whatever nature, as an employee of the person or, if the person for whom the individual performs or performed the services does not have control of the payment of wages for the services, the person having control of the payment of wages;
(b) any individual or organization that has or had in its employ one or more individuals performing services for it within this state, including:
(i) a state government and any of its political subdivisions or instrumentalities;
(ii) a partnership, association, trust, estate, joint-stock company, insurance company, limited liability company, or domestic or foreign corporation;
(iii) a receiver, a trustee, including a trustee in bankruptcy, or the trustee's successor; or
(iv) a legal representative of a deceased person; or
(c) any person found to be an employer under Title 39, chapter 51, for unemployment insurance purposes, or under Title 39, chapter 71, for workers' compensation purposes.
(4) "Lookback period" means the 12-month period ending the preceding June 30.
(5) "Sole proprietor" means an individual doing business in a noncorporate form and includes the member of a single-member limited liability company that is a disregarded entity if the member is an individual.
(6) (a) Except as provided in subsection (6)(b), "wages" has the meaning provided in section 3401 of the Internal Revenue Code, 26 U.S.C. 3401.
(b) The term does not include:
(i) tips and gratuities exempt from taxation under 15-30-2110;
(ii) health insurance premiums attributed as income to an employee under federal law that are exempt from taxation under 15-30-2110;
(iii) unemployment compensation, including supplemental unemployment compensation treated as wages under section 3402 of the Internal Revenue Code, 26 U.S.C. 3402, that is excluded from gross income as provided in 15-30-2101;
(iv) any amount paid a sole proprietor; or
(v) any amount paid for agricultural labor.