Border Guard Corps (French: Corps des gardes-frontière, German: Grenzwachtkorps, Italian: Corpo delle guardie di confine) are a federal law enforcement agency, which acts as both the border guard and customs service for Switzerland. It is a uniformed section of the Federal Customs Administration, which is attached to the Federal Department of Finance. The BGC conducts people, vehicle and object searches, anti-drugs and anti-smuggling operations and investigates document forgery. They also enforce road traffic laws.
Since 1924 the BGC operate border checkpoints on the Austrian-Liechtensteiner border.