N.H. Rev. Stat. Ann. § 457:23

I. No marriage license shall be issued by any town or city clerk until the applicants have each provided for inspection the following documents:

(a) Proof of age;

(b) A certified copy of the final divorce decree, if either or both parties are divorced; and

(c) A certified copy of the death record of spouse, if either or both parties are widowed.

II, III. [Repealed.]