Related Rule
Russian Federation
Practice Relating to Rule 131. Treatment of Displaced Persons
Section A. Provision of basic necessities
The Report on the Practice of the Russian Federation states:
Unfortunately, the party to a conflict that causes the displacement of persons [through its methods of warfare] does not bear any responsibility [for their care]. The material burden of providing assistance to these persons thus rests on the other party. 
Report on the Practice of the Russian Federation, 1997, Chapter 5.5.