The party's top six were in Limpopo to meet with traditional leaders, while also preparing to meet with President Jacob Zuma on Sunday.
If he is not recalled by his party this week or removed by parliament, he will continue to serve as the country's president until mid-2019 when his second five-year term comes to an end.
South Africa's Parliament will vote on a motion of no confidence in embattled President Jacob Zuma on February 22, the Parliamentary speaker said Friday, in an escalation of pressure on the leader to resign after a series of scandals. While Zuma's second and final term is only due to end next year, his immersion in a succession of scandals has eroded support for the ANC and many with the party's ranks want him to go before he delivers the annual state-of-the-nation address on February 8. However, cracks began to show in the top six leadership as ANC secretary-general Ace Magashule, a staunch Zuma supporter, told eNCA on Saturday that Zuma will deliver the Sona.
Mr Zuma has survived several no-confidence votes during his rule thanks to loyal voting by ANC lawmakers, who form a strong parliamentary majority.
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The organisation said this year's SONA can be an address that honours the decorum and dignity of the House, and one that sets the tone and shows that government, and indeed the ruling party, is serious about dealing with corruption and tackling state capture. Although Zuma retains the support of a faction within the ANC, he no longer holds a top post. Zuma has denied any wrongdoing.
A spokesperson for the presidency couldn't immediately be reached by phone or email on Sunday.
Zuma has been deserted by many party members after his position was taken over by Ramaphosa, who has been lobbying to force him to resign.
Those privy to the discussion said they expected the meeting to be a hard one as Zuma has made it clear to his inner circle that he would not be resigning any time soon and he was even prepared to risk being ousted through a parliamentary impeachment process or a motion of no confidence, which would see him forfeiting retirement benefits such as, among others, a salary for life.