Russia has published a list of 43 "unfriendly countries" which face new economic restrictions in retaliation for sweeping sanctions brought in by the West.
Vladimir Putin's forces have been trying to gain control over Ukraine for 13 days, but run into a number of logistical problems and a stronger resistance than they initially expected.
Sanctions have also been imposed by the UK, US, Canada and the EU, causing the Russian ruble to drop to its lowest ever value.
These have included sweeping measures against Putin himself, his ministers, oligarchs, individuals close to the Kremlin, banks, and key businesses.
Under the new restrictions being brought in by the Kremlin, financial trades, loans, and real estate purchases will need "special authorisation" if nations from the list are involved.
The list includes;