The rules for crossing the Russian border are determined by the Russian Border Guard Service. The main regulations are the following:

• State Border crossing of persons, vehicles, cargo, goods, and animals is carried out at the established State Border crossing points. State Border crossing lies in the fact of recognition of the legality of crossing by persons, vehicles arriving on the territory of the Russian Federation, movement of goods, animals to the territory of the Russian Federation or in a permit for crossing by persons, vehicles departing from the Russian Federation, movement of goods, animals across the State Border outside the Russian Federation.
• The ground for State border crossing of persons, vehicles, cargo, goods, and animals is the availability of valid documents for the right of persons to enter the Russian Federation or leave the Russian Federation, documents for vehicles, goods, and animals.
• State Border crossing is prohibited for foreign citizens and stateless persons, who are not allowed to enter the Russian Federation according to the legislation of the Russian Federation, as well as persons, who are prohibited to leave the Russian Federation according to the procedure established by the legislation of the Russian Federation (as amended by the Federal Law No. 148-FZ dated 29 November 1996).
• An agreement of the Russian Federation with a neighboring state may establish a simplified procedure for State border crossing of citizens of the Russian Federation and a neighboring state in terms of determining documents for the right to leave the Russian Federation and enter the Russian Federation.
• State Border crossing of persons, vehicles, cargo, goods, and animals includes border control (checking the grounds for State Border crossing for the purpose of detection and detention of offenders, transported cargo, goods, and animals that are prohibited by the legislation of the Russian Federation for import to or export from the Russian Federation), and if necessary customs, immigration, sanitary and quarantine, veterinary, phytosanitary, transport, and other types control (as amended by the Federal Law No. 148-FZ dated 29 November 1996).

Official website of the Border Guard Service of the Russian Federation
http://ps.fsb.ru