In the event illness, injury or other circumstance precludes the Mayor from performing the duties of that office as herein contemplated and the same continues for a period of more than thirty days, the monthly salary otherwise due and owing to the holder of that office shall abate to the sum of one hundred dollars ($100.00) per month until such period of time that such illness, injury or other circumstance preventing his full performance hereunder shall have terminated and he shall have resumed the full duties of the office.
(1967 Code Sec. 2-3.3)