Pavel Kornatsky, an official at Russia' embassy in The Hague, said on 19 January that the embassy had provided written guarantees to the tribunal on 18 January.
Kornatsky said that it is up to the tribunal to decide whether Milosevic can travel to Russia.
Milosevic's four-year trial in The Hague, for war crimes committed during the Balkan wars of the 1990s, has been interrupted repeatedly on health grounds.
For an archive of RFE/RL's coverage of the trial of former Yugoslav President Slobodan Milosevic, click here.
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