RSA 76:15-b — Local Option. –

I. Other provisions of law to the contrary notwithstanding, taxes shall be collected in any town or city in a manner pursuant to RSA 76:15-a if said town or city, by majority vote of the governing body, adopts the provisions thereof. A town or city which adopts the provisions of RSA 76:15-a may rescind said adoption by majority vote of the governing body, and the general statutes relating to collection of taxes shall once again apply.
II. Taxes shall be collected in any town or city in a manner pursuant to RSA 76:15-aa, if said town or city, by majority vote of the legislative body, adopts the provisions thereof. A town or city which adopts the provisions of RSA 76:15-aa may rescind said adoption by majority vote of the legislative body, and the general statutes relating to collection of taxes shall once again apply.
III. Any city or town may, by majority vote of the legislative body, adopt a fiscal year running from July 1 to June 30 of the following year. In conjunction with that vote, the city or town is also authorized, by majority vote, to adopt a budget for the purpose of funding a 6-month conversion period through the adoption of a system for quarterly collection and billing of taxes as provided in RSA 76:15-aa.