Code of Federal Regulations Title 25. Indians § 25.168.14 Livestock trespass

(a) The grazing upon or driving across any of the Hopi Partitioned Lands of any livestock without an approved grazing or crossing permit;

(b) Allowing livestock to drift and graze on lands without an approved permit;

(c) The grazing of livestock upon lands within an area closed to grazing of that class of livestock;

(d) The grazing of livestock by permittees upon any land withdrawn from use for grazing purpose to protect it from damage, after the receipt of notice from the Area Director;  and

(e) Grazing livestock in excess of those numbers and kinds authorized on a livestock grazing permit approved by the Area Director.