Finally, the Soviet government consider as fully frivolous the British request that irrespective of the origins of carried cargoes ships from ports of such neutral countries, which allow German entry, should head for British or French ports for inspection.
Expressing a protest for the indicated measures of Great Britain, the USSR government will reserve the right to demand compensation for damages inflicted in the event that mercantile ships of the USSR are forcefully brought to British or French ports, or if applying of the decree of November 28th causes any other damage to the foreign export of the USSR.
Source: [The highest party school of the Central Committee of the CPSU.] The foreign policy of the USSR. A collection of documents. Vol. 4. Nr. 385, Moscow 1946. — Translation (by Pauli Kruhse) is based on the Finnish text in Kuusinen government front propaganda newspaper "Kansan Valta" (People's Power), nr. 8, December 13, 1939. This "People's Government of Finland" was introduced by the Soviet government at the newly conquered Finnish border town of Terijoki (now Zelenogorsk).
The naval blockade of Finland, declared on Dec. 7th by the Soviet Union, "on the request of People's Government of Finland" (in Russian).
Finland in the Soviet foreign policy of 1939-1940