Nepal customs’ main concern will be on export of drugs and antiques as we have been victimized of international art theft over last few decades. All your baggages is X-rayed on your arrival and departure. If officers find any souvenirs that looks like an antique, they might ask you to show certificate obtained from the Department of Archaeology. Clearing that it's not antique. These controls also apply to the export of precious and semiprecious stones. Besides that, you may not import Nepali rupees. There are no other restrictions on bringing in either cash or travelers cheques, but the amount taken out on departure should not exceed the amount brought in. Moreover, Officially you should declare cash or travelers cheques in excess of US$2000, or the equivalent, but no one seems to bother with this, and it is laxly enforced.
