The filing of an application under part 2800, 2810, or 2880, of this chapter does not authorize the applicant to use or occupy the public lands for right-of-way purposes, except as provided by the definition of "Casual use" in § 2801.5(b) and by §§ 2804.29 and 2884.25 of this chapter, until written authorization has been issued by the authorized officer. Any unauthorized occupancy or use of public lands or improvements for right-of-way purposes constitutes a trespass against the United States for which the trespasser is liable for costs, damages, and penalties as provided in subpart 2808 and §§ 2812.1-3 and 2888.10 of this chapter. No new permit, license, authorization, or grant of any kind shall be issued to a trespasser until:
43 C.F.R. §9239.7-1