MOSCOW (Sputnik) — The legislative amendment that forms the legal basis for the move was approved unanimously by all 137 lawmakers present, The Sofia Globe news website reported.
In turn, the Defense Ministry is expected to determine the rules for the use of force in carrying out these tasks.
On Wednesday, the Western Balkan states, including Bulgaria, met for the "Managing Migration Together" conference in Vienna to discuss border control, information exchange and combating human smugglers.
Bulgaria is often used by refugees as a transit route to wealthier EU states, which prompted it to build fences on some of its borders. Some 30,000 migrants arrived in Bulgaria last year, which is triple the total number of refugee arrivals to the country in the years 2013 and 2014 combined.