If your flight arrives to the international sectors 1-4 of the National airport Minsk then you are required to pass the passport control. There is a passenger flow management system according to the citizenship of passengers. Each passport control booth has an information LED board.
If your flight arrives from the Russian Federation, to sectors 5-6 - NO passport control required.
For further information regarding the border crossing procedure please visit the official web-site of the State Border Committee of the Republic of Belarus.