Nine parties including the EFF, ACDP and the IFP banded together demanding President Cyril Ramaphosa be held accountable over alleged crimes on his private Limpopo farm two years ago. 

They have accused him of breaking the law and violating his oath of office. 

Former spy boss Arthur Fraser opened a criminal complaint against Ramaphosa alleging he covered up a robbery involving millions of US dollars in cash.  

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The president has denied wrongdoing.

Parliament's Moloto Mothapo says there are National Assembly procedures that need to be followed. 

"The independent panel's function is to conduct a preliminary assessment of the motion and evidence and make findings and recommendations to the National Assembly within 30 days on whether sufficient evidence exists to show the President committed any of the violations specified in the motion.

"This then will be debated, considered and decided by the National Assembly. It must therefore be stressed that a special Section 89 committee may only be established based on the findings and recommendations of the panel and following a decision by the House, not before these processes have been embarked upon."

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During a joint press briefing, the opposition groups announced the names of former judges they want included in the investigative panel. 

"We will jointly and individually submit the names of former judges Mogoeng Mogoeng, Dikgang Moseneke, Bernard Ngoepe, Yvonne Mokgoro to the parliamentary Section 89 independent panel that will investigate the conduct of Mr Cyril Ramaphosa," said EFF leader Julius Malema.