The EC played an important leadership role, according to the principles of democratic centralism to which the CPGB adhered.
[1] The Provisional Executive Committee of the Communist Party of Great Britain was based at 21a Maiden Lane, Strand, London, W.C.2.
[2] In June 1919, the first of a series of meeting to discuss founding a Communist Party for Great Britain took place.
However, sections within the SWSS formed the South Wales Communist Council in favour proposal, just as the Communist Unity Group was formed within the SLP, only to be expelled by the SLP executive committee.
The provisional committee then proceeded to organise a National Convention, at which the proposal was to be turned into a resolution, which if carried would transform the convention into the Founding Congress of the Communist Party.