Центральный комитет
Poskrebyshev's most notable office was that of Chief of the Secret/Special Section of the Central Committee, to which he was promoted in 1930. The scope of work of the Secret/Special Section of Central Committee of Communist Party was the coordination of the work of Political Bureau (Presidium, Politburo) of Central Committee, Secretariat of Central Committee, Organizational Bureau of Central Committee and Encryption Bureau.