As used in this part, the term:

(1) "Agency" means any agency, authority, department, board, bureau, commission, committee, office, or instrumentality of the State of Georgia but shall not mean a political subdivision of the State of Georgia.

(2) "Business" means any corporation, partnership, proprietorship, firm, enterprise, franchise, association, organization, self-employed individual, trust, or other legal entity.

(3) "Employee" means any person who, pursuant to a written or oral contract, is employed by an agency.

(4) "Family" means spouse and dependents.

(5) "Full-time" means 30 hours of work for the state per week for more than 26 weeks per calendar year.

(6) "Limited powers" means those powers other than state-wide powers.

(7) "Part-time" means any amount of work other than full-time work.

(8) "Person" means any person, corporation, partnership, proprietorship, firm, enterprise, franchise, association, organization, or other legal entity.

(9) "Public official" means any person elected to a state office and means any person appointed to a state office where in the conduct of such office the person so appointed has administrative and discretionary authority to receive and expend public funds and to perform certain functions concerning the public which are assigned to him by law.

(10) "State-wide powers" means those powers exercised by public officials which affect and influence all of state government. Public officials who exercise such powers include but are not limited to the Governor, the Lieutenant Governor, members of the General Assembly, Justices of the Supreme Court, Judges of the Court of Appeals, the Secretary of State, the Attorney General, the state auditor, the commissioner of administrative services, the commissioner of the State Merit System of Personnel Administration and members of the State Personnel Board, the director of the Office of Planning and Budget, judges of the superior courts, and district attorneys.

(11) "Substantial interest" means the direct or indirect ownership of more than 25 percent of the assets or stock of any business.

(12) "Transact business" or "transact any business" means to sell or lease any personal property, real property, or services on behalf of oneself or on behalf of any third party as an agent, broker, dealer, or representative and means to purchase surplus real or personal property on behalf of oneself or on behalf of any third party as an agent, broker, dealer, or representative.