Each county is a body corporate for the purpose of suing and being sued, purchasing, holding and conveying real and personal estate for county purposes, making all necessary contracts and doing other necessary acts relating to the property and concerns of the county.
RSA 23:1
RS 19:1. CS 20:1. GS 22:1. GL 23:1. PS 24:1. PL 35 :1. RL 44:1.