The report found that Makwakwa had been receiving numerous payments into his personal bank account, which may have amounted to corruption.
Makwakwa says former Sars executives - who testified - this week lied under oath.
Former judge, Robert Nugent, will address a press conference at midday today, where he is expected to outline the rules for the media but will also answers questions related to the process of the hearings.
Mark Kingon told Parliaments Standing Committee on Finance that the process should have started with an investigation into Makwakwa’s tax affairs.
It emerged in the last week that Tom Moyane allegedly approved a R70-million tax refund to the Guptas.
The Presidency says Cyril Ramaphosa met with Moyane on Monday to inform him of his decision after reports that the now former senior tax official refused to resign.
Former Sars top official Jonas Makwakwa resigned on Wednesday under a cloud of controversy.
Former Sars official Jonas Makwakwa, the subject of a Hawks investigation into alleged corruption and money-laundering, resigned on Wednesday.
Sars Commissioner Tom Moyane says that an investigation of Sars would give the organisation an opportunity to identify weaknesses.
South African Revenue Services (Sars) Commissioner Tom Moyane says he feels secure in his position as head for the organisation.
Jonas Makwakwa resigned on Wednesday with immediate effect when Sars commissioner Tom Moyane questioned him on the fresh allegation of impropriety.
Jonas Makwakwa has cited personal reasons for his resignation.
Sars says it will launch an investigation into alleged links between Makwakwa and one of eight companies awarded a contract to help collect the more than R16 billion debt owed by taxpayers.
Sars Commissioner Tom Moyane has until Friday to submit to Parliament’s Standing Committee on Finance the report by Hogan Lovells and that of Advocate Terry Motau on the matter.
Jonas Makwakwa was cleared in a disciplinary hearing after an investigation Hogan Lovells. But the probe was limited to whether or not Makwakwa was in breach of Sars internal policy.
(Sars) Commissioner Tom Moyane revealed the undertaking after noting that 'a dark cloud' had hung over Sars ever since top tax official Jonas Makwakwa was reinstated in November 2017.
Tom Moyane says those who distributed the report, which highlights suspicious payments received by Jonas Makwakwa, may have violated the law and he says he's obligated to report the matter.
Moyane revealed at parliament on Tuesday that the investigation by PricewaterhouseCoopers has yet to be concluded.
