Related Rule
Russian Federation
Practice Relating to Rule 7. The Principle of Distinction between Civilian Objects and Military Objectives
Section E. Attacks against civilian means of transportation
The Russian Federation’s Regulations on the Application of IHL (2001) states:
113. War-ships shall not destroy any enemy civil ships or otherwise divert it from its destination, except for the following cases:
- the vessel refuses to stop after it was requested to do so, or
- the vessel resists a visit.
Prior to using force against a civil vessel the war-ship shall provide for the security of passengers and crew, of the documents and papers, unless the war-ship is in danger of being sunk by an enemy war-ship, escort ship or aircraft.
114. Destruction of the enemy passenger vessels carrying only civilians is prohibited at sea. For the safety of the passengers, such vessels shall be diverted to an appropriate area or port in order to complete capture. 
Russian Federation, Regulations on the Application of International Humanitarian Law by the Armed Forces of the Russian Federation, Ministry of Defence of the Russian Federation, Moscow, 8 August 2001, §§ 113–114.