Section 13. Any city or town which accepted section one hundred I of chapter forty-one on or before July twentieth, nineteen hundred and seventy-eight, and any other city which accepts this section according to its charter, and any town which accepts this section in the manner hereinafter provided in this section shall indemnify and save harmless municipal officers, elected or appointed from personal financial loss and expense including reasonable legal fees and costs, if any, in an amount not to exceed one million dollars, arising out of any claim, demand, suit or judgment by reason of any act or omission, except an intentional violation of civil rights of any person, if the official at the time of such act or omission was acting within the scope of his official duties or employment.

This act shall be submitted for acceptance to the voters of each town at an annual town meeting in the form of the following question which shall be placed on the official ballot to be used for the election of town officers at said meeting:—''Shall the town vote to accept the provisions of section thirteen of chapter two hundred and fifty-eight of the General Laws which provides that the town shall indemnify and save harmless municipal officers, elected or appointed, from personal financial loss and expense including reasonable legal fees and costs, if any, in an amount not to exceed one million dollars, arising out of any claim, demand, suit or judgment by reason of any act or omission except an intentional violation of civil rights of any person under any law, if the official at the time of such act or omission was acting within the scope of his official duties or employment?'' If a majority of the votes in answer to said question is in the affirmative, said provisions shall thereupon take full effect, but not otherwise.