N.H. Rev. Stat. Ann. § 273:9-a

All inspections performed by the commissioner shall be proportional and relative to the potential violations being inspected. "Proportional" in this section shall be determined with reference to the importance of the issues at stake in the inspection, the degree to which the alleged violation involves risk of physical injury, the potential for lost wages, the amount in controversy, the parties' relative access to relevant information, and the parties' resources.