1. Each judge of the circuit court shall receive an annual salary of seventy-nine thousand one hundred sixty-four dollars plus any salary adjustment provided after August 28, 1990, pursuant to section 476.405, all of which shall be paid by the state out of the state treasury.

2. No circuit judge shall practice law or do a law business nor shall he accept, during his term of office, any public appointment or employment for which he receives compensation for his services.