47 U.S.C. § 1428: Permanent self-funding; duty to assess and collect fees for network use

A user or subscription fee from each entity, including any public safety entity or secondary user, that seeks access to or use of the nationwide public safety broadband network. A fee from any entity that seeks to enter into a covered leasing agreement. access to network capacity on a secondary basis for non-public safety services; and the spectrum allocated to such entity to be used for commercial transmissions along the dark fiber of the long-haul network of such entity. A fee from any entity that seeks access to or use of any equipment or infrastructure, including antennas or towers, constructed or otherwise owned by the First Responder Network Authority resulting from a public-private arrangement to construct, manage, and operate the nationwide public safety broadband network. The total amount of the fees assessed for each fiscal year pursuant to this section shall be sufficient, and shall not exceed the amount necessary, to recoup the total expenses of the First Responder Network Authority in carrying out its duties and responsibilities described under this subchapter for the fiscal year involved. The NTIA shall review the fees assessed under this section on an annual basis, and such fees may only be assessed if approved by the NTIA. The First Responder Network Authority shall reinvest amounts received from the assessment of fees under this section in the nationwide public safety interoperable broadband network by using such funds only for constructing, maintaining, operating, or improving the network.