sentences:  The official registration of the AIC took place on December 22, 1922.At the first stage, the colony was handed the mines of the Kemerovo, by 1923 the Kolchuginsky, Prokopyevsky and Kiselevsky mines were added.At the same time, two representative offices of the AIC in New York and Berlin opened, which were engaged in the search for workers for the colony and made purchases of equipment.