RSA 29:11 Tax Warrants and Extents.

I. The treasurer shall issue a warrant to the selectmen of the several towns in the county liable to pay state taxes, requiring them to assess, collect, and pay to the treasurer, within such time as shall be therein directed, their just proportion of all taxes granted by the county convention according to their proportion of public taxes for the time being, and shall enforce the collection and payment thereof, together with interest at 10 percent a year from December 17 upon all taxes not then paid, and the county tax assessed against any town shall not be deemed paid until the whole amount of the warrant together with said interest from December 17 to the date of payment has been received by said treasurer. If December 17 fall upon a Saturday, Sunday, or legal holiday, the due date