On any lease site on Federal or Indian lands, any authorized and properly identified representative of the Secretary may stop and inspect any motor vehicle that he has probable cause to believe is carrying oil from a lease site on Federal or Indian lands or allocated to such a lease site, for the purpose of determining whether the driver of such vehicle has documentation related to such oil as required by law.

Any authorized and properly identified representative of the Secretary, accompanied by any appropriate law enforcement officer, or an appropriate law enforcement officer alone, may stop and inspect any motor vehicle which is not on a lease site if he has probable cause to believe the vehicle is carrying oil from a lease site on Federal or Indian lands or allocated to such a lease site. Such inspection shall be for the purpose of determining whether the driver of such vehicle has the documentation required by law.