New Hampshire RSA — Title V (Taxation)
RSA 80:20-a — Alternate Tax Lien Procedure. –
In any town or city which adopts the provisions of RSA 80:58-86 for a real estate tax lien procedure as provided in RSA 80:87, the provisions of RSA 80 relative to tax sales shall not apply. In such municipalities, only a municipality, county, or the state where the property is located may acquire a tax lien against land and buildings for unpaid taxes, and tax sales to private individuals shall be prohibited.
Source: official text