N.H. Rev. Stat. Ann. § 563-D:9

A transfer on death deed is void unless it:

I. Meets the requirements set forth in RSA 477:3;

II. Bears the title 'Transfer on Death Deed';

III. States that the transfer to the designated beneficiary is to occur at the transferor's death; and

IV. Is recorded:

(a) Prior to the transferor's death;

(b) Within 60 days following the date of execution; and

(c) At length in the registry of deeds for the county or counties in which the real estate lies.