Whenever a creditor whose claim is secured by the individual undertaking of any person other than the debtor fails to prove the claim, such person may prove the same in the name of the creditor.
N.H. Rev. Stat. Ann. § 568:22
Proof by Surety
Source
Official source: New Hampshire General Court. Reproduced from public-domain New Hampshire statutes; confirm against the official source for the current text. Not legal advice.