All lands within the limits of the City of Los Angeles and lying within the boundaries of any State or Federal Forest lands may be closed to the public by the Chief or by any duly authorized State or Federal officer, provided such closure is not in conflict with any State or Federal law. No person shall enter upon any lands so closed except by valid Special Permit from the Chief pursuant to Section 57.105.8. Notice of such closure shall be deemed sufficient when provided pursuant to Section 57.4911.8.1 of this article.
EXCEPTION: Closure of private lands shall not prohibit the use or entry upon such lands by the owner, the owner’s guests or invitees, provided such guests or invitees have written permission of the owner of such private lands to enter upon the same.