Section 3. If such officer shall offer his resignation it shall be accepted, and the vacancy shall be filled as may be provided by law. If he shall not resign within five days after a recall petition is filed as provided by law, a special election shall be ordered to be held as provided by law, to determine whether such officer shall be recalled. On the ballots at such election shall be printed the reasons as set forth in the petition for demanding his recall, and, in not more than two hundred words, the officer's justification of his course in office. He shall continue to perform the duties of his office until the result of such election shall have been officially declared.