N.H. Rev. Stat. Ann. § 100-A:7-a

The retirement system shall annually provide written notice to all retired members of the retirement system of the limitations on part-time employment as defined in RSA 100-A:1, XXXIV and the potential effect that exceeding such limitations could have on the retired member's retirement benefits, including restoration to service as required in RSA 100-A:7, I and the forfeiture of the state annuity portion of his or her retirement allowance under RSA 100-A:7, II.