N.H. Rev. Stat. Ann. § 228:110

Whenever the department notifies the commission that it is contemplating the use of a public-private partnership contract for design-build-finance-operate-maintain or design-build-operate-maintain services, the department shall submit a written request to the commission for its consideration. The commission shall provide an initial written response to the request to consider a public-private partnership contract within 15 days. No request for proposals shall be issued by the department for a public-private agreement for design-build-finance-operate-maintain or design-build-operate-maintain services without the commission's written recommendation and concurrence by governor and council of both the procurement method and content of the request for proposals.