N.H. Rev. Stat. Ann. § 400-A:15-a

All health insurers, health maintenance organizations, health service corporations, hospital service corporations, medical service corporations, preferred provider programs and third party administrators shall use "HCFA-1500" and "UB-92" forms for all paper and electronic submissions and shall not routinely require additional forms or information. When CMS officially replaces the "HCFA-1500" or the "UB-92" form, the replacements shall be considered the official form under this section.