No border closures but restrictions to curb the flight of thousands of Russians abroad.
Moscow will no longer issue passports to those mobilized by the army, the government news portal said on Wednesday.
This decision comes at a time when tens of thousands of people have already fled abroad.
"If a citizen has already been called up for military service or has received a summons (for mobilization or conscription), the international passport will be refused," reads the news portal.
In this case, "a notice will be given to the citizen to explain the reason for the refusal and the period of validity of this refusal", according to the same source.
Russians need an international passport to travel to most foreign countries.
They can nevertheless go to Armenia, Belarus, Kazakhstan and Kyrgyzstan with their only internal passport, equivalent to an identity card.
Sick and elderly people called to the mobilization
Many Russians have feared in recent days a closure of the borders in the midst of a campaign to mobilize reservists to send new troops to Ukraine.
Since the launch last week of this mobilization described as "partial", tens of thousands of Russians have traveled to neighboring countries, including Georgia, Kazakhstan and Mongolia.
Georgia has thus seen the formation of about thirty kilometers of tail at its border.
The exodus is such that the Russian security services set up a "mobile" mobilization office on the border with Georgia on Tuesday to intercept those who seek to escape the army.
President Vladimir Putin has assured that only those who already have military experience or "relevant" skills for the army will be mobilized.
Read alsoWar in Ukraine: how the chaotic mobilization in Russia highlights the flaws in power
But the mobilization of the elderly, sick, as well as students, supposed to be exempted, caused an outcry, observers suspecting the authorities of mobilizing much more widely than announced.
Rarely, the Kremlin on Monday admitted "errors" after the mobilization of a former soldier over 60 suffering from severe diabetes and brain problems, or the sending to training camp of a director of 58 year old school having never touched a weapon.
