The Organization issued a memorandum and send it to the representatives of the Great Powers on the Peace conference in Paris.
It threatened the autonomous Macedonia as state populated by different people as Bulgarians, Greeks, Serbs, Turks, Vlahs, etc.
In the parliamentary and local elections of 1919, the Temporary representation supported the candidates of the Bulgarian Communist Party.
Following the signing of the Treaty of Neuilly and the partition of Macedonia, the activity of the Temporary representation faded.
They all were opposed to the restoration of IMARO as a Bulgarian nationalist organization under the name IMRO, headed by Todor Alexandrov.