N.H. Rev. Stat. Ann. § 170-E:39

A child care agency, child care institution, or child-placing agency licensed or operating under a permit issued by the department may publish advertisements of the services for which it is specifically licensed or issued a permit under this subdivision. No person who is required to obtain a license or permit under this subdivision may advertise or cause to be published an advertisement soliciting or offering care for a child for care or placement unless the person has obtained the requisite license or permit.