N.H. Rev. Stat. § 659:62
Except as provided in RSA659:59, upon the closing of the polls at each additional polling place, the ballot box at such polling place shall be sealed by the assistant moderator. Such sealing shall be done in the presence of the inspectors of election and shall be certified by the assistant clerk at such polling place. The assistant moderator shall also seal in a package the duplicate checklists used at the additional polling place together with the unused and spoiled ballots. The ballot box and the package shall be delivered to the moderator at the central polling place without unnecessary delay and with the seals unbroken by 2 election officials designated by the assistant moderator. Such 2 election officials shall be of different political parties.
RSA 659:62
1979, 436:1, eff. July 1, 1979.