RSA 100-A:4 Creditable Service.

I. With respect to service rendered prior to the date of membership, each employee, teacher, permanent policeman or permanent fireman who has become a member of the New Hampshire retirement system following prior service in any predecessor system, shall have included as creditable service hereunder all service credited to him under the terms of one or more of the predecessor systems, provided his membership continues unbroken until his retirement. Should the employee, teacher, permanent policeman or permanent fireman whose membership is broken again become a member, he shall enter the retirement system as a member not entitled to such prior service credit, except as provided in RSA 100-A:7.
II. Creditable service at retirement on which the retirement allowance of a member shal