N.H. Rev. Stat. § 100-A:51
Upon request in writing of any retired former policeman, fireman, teacher, or employee member or beneficiary of the New Hampshire retirement system who participates in a group medical insurance or health care plan under the sponsorship of a political subdivision of the state as the retiree's former employer, the retirement system shall deduct from the monthly retirement allowance of such retired member or beneficiary the cost to the retiree or beneficiary of such medical insurance or health care coverage. The amounts so deducted shall be paid over by the retirement system for the benefit of the retiree or beneficiary, either directly to the insurer or health care provider or to the employer, as may be determined by agreement between the trustees of the retirement system and the employer.
RSA 100-A:51
1988, 191:5, eff. July 1, 1988.