The Congress had a Praesidium composed of ten Bolsheviks and three Left Socialist-Revolutionaries with a further delegate from each other group (Right Socialist-Revolutionaries, Mensheviks, etc.).
O Congreso tivo un Presidium composto de dez bolxeviques e tres social-revolucionarios de esquerda cun delegado adicional polo resto de grupos (social-revolucionarios de dereita, menxeviques etc.).