N.H. Rev. Stat. Ann. § 265:8-a

Each state, county and local law enforcement agency that conducts emergency response and vehicular pursuits shall adopt a written policy or policies that set forth the manner in which these operations shall be conducted. Such policy or policies shall conform to state or national accreditation standards as adopted by the police standards and training council or the national commission on accreditation for law enforcement agencies and shall be kept on file and available for inspection by the police standards and training council and the attorney general.