; and (ii) by investigating the potential for sample-based inspection for distributed energy system installers with a demonstrated track record of high-quality work; and (F) take any other action to expedite, standardize, streamline, or improve the process for permitting, inspecting, or interconnecting qualifying distributed energy systems. (d) Fee authority The Board may assess fees for the provision of services by the Board in amounts determined reasonable and appropriate by the Board, including fees from participating distributed energy system installers relating to the activities of the Board described in subsection (c)(2). (e) Nonprofit status The Board shall be considered to be an organization described in section 501(c)(3) of the Internal Revenue Code of 1986, and exempt from taxation under section 501(a) of that Code. (f) Support services The Secretary shall— (1) provide technical assistance to the Board in carrying out the activities described in subsection (c)(2)