CFR > Title 43 - Public Lands: Interior > SUBTITLE A—Office of the Secretary of the Interior > PART 3—PRESERVATION OF AMERICAN ANTIQUITIES > 3.6—Time limit of permits granted.

3.6—Time limit of permits granted.

No permit will be granted for a period of more than 3 years, but if the work has been diligently prosecuted under the permit, the time may be extended for proper cause upon application.