The New Jersey Constitution of 1947 (Annotated) Art. VI, § VI, ¶ 6

6. The Justices of the Supreme Court and the Judges of the Superior Court shall receive for their services such salaries as may be provided by law, which shall not be diminished during the term of their appointment, except for deductions from such salaries for contributions, established by law from time to time, for pensions as provided for under paragraphs 3 and 5 of Section VI of this Article, health benefits, and other, similar benefits. They shall not, while in office, engage in the practice of law or other gainful pursuit.