20(1)Subject to section 13 and to subsections (2) and (3), a judge who has at least two years of pensionable service and, as the result of becoming disabled, ceases to be an active judge and to perform the duties of the position or office of a judge, shall, during the period when the judge is disabled, be paid an annual disability benefit in the amount of sixty per cent of the salary being paid to the judge on the date on which the judge becomes entitled to be paid the benefit under subsection (2).