"If the President thinks that by removing Nzimande he will silence the SACP...he is glaringly mistaken".
The party has reportedly begun lobbying workers to support its electoral ambitions.
From "Zuma must go", to "we are ready for Ramaphosa".
The SIU says it is considering getting involved in the investigation into how R14 million was paid to a student.
The SACP says it will meet with the ANC to communicate its decision.
In recent years, the SACP has represented the working classes as well as the ANC Women's League represents women.
"Allied formations contesting elections independently does not necessarily make allies opposition."
The SACP general secretary said he hopes the ANC will work through its issues at the policy conference.
"The last Cabinet reshuffle glaringly exposed this weakness."
The SACP has called for the urgent establishment of a judicial commission of inquiry into state capture.