N.H. Rev. Stat. Ann. § 382-A:9-528

Where a record submitted for filing under this part contains the social security number of a debtor who is an individual, such number shall be expunged prior to filing. Where a filed record contains the social security number of such a debtor, the number shall not be included in any record made available or released to the public, including under Section 9-523(c), (f), (g), or (h). This section shall not apply to taxpayer identification numbers of debtors that are not individuals, to records filed pursuant to laws other than this chapter that reference this chapter, this article, or this part, or to records filed in a filing office described in Section 9-501(a)(1).