RSA 430:19: Joint Effort.

To increase operational efficiency, 2 or more adjacent mosquito control districts may, by written agreement of the boards and the local governing bodies, arrange for combining mosquito control funds, apportioning costs, cooperating, and engaging jointly in mosquito control projects. The immediate control and management of a joint project may be entrusted to a joint committee composed of the chairman of each of the boards, or such other board members as may be agreed upon and stipulating such in writing.