Illinois Statutes Chapter 35. Revenue § 1010/1-30. Judges; qualifications; prohibition against other gainful employment

(a) Each administrative law judge of the Tax Tribunal shall be a citizen of the United States and, during the period of his or her service, a resident of this State. No person may be appointed as an administrative law judge unless, at the time of the appointment, the individual has been licensed to practice law in Illinois for a minimum of 8 years and has substantial knowledge of State tax laws and the making of a record in a tax case suitable for judicial review.

(b) Before entering upon the duties of office, each administrative law judge shall take and subscribe to an oath or affirmation that he or she will faithfully discharge the duties of the office, and such oath shall be filed in the office of the Secretary of State.

(c) Each administrative law judge shall devote his or her full time during business hours to the duties of his or her office. An administrative law judge shall not engage in any other gainful employment or business, nor hold another office or position of profit in a government of this State, any other State, or the United States. Notwithstanding the foregoing provisions, an administrative law judge may own passive interests in business entities and may earn income from incidental teaching, publishing, or scholarly activities.