The change is supported by Russian President Vladimir Putin.
Under the amended legislation, the deadline would be extended until 1 January 2008. The current deadline expires on 1 January.
The proposed legal changes would also make it possible for former Soviet citizens who obtained a residence permit in Russia after 1 July 2002 to apply for citizenship. Under the current legislation, only people who obtained a residence permit prior to that date can apply for citizenship.
(ITAR-TASS/RIA-Novosti)