16 USC 45d
16 USC 45d
§ 45d - Exclusive privileges within park prohibited
CHAPTER 1— NATIONAL PARKS, MILITARY PARKS, MONUMENTS, AND SEASHORES › SUBCHAPTER VI— SEQUOIA AND YOSEMITE NATIONAL PARKS
No exclusive privilege shall be granted within said park, or on or over the roads and trails therein, except upon ground leased for the erection of buildings or camps thereon.