43. Referral for criminal investigation
(1) If at any time before or during the course of an audit it appears that a taxpayer may have committed a serious tax offence, the investigation of the offence must be referred to a senior SARS official responsible for criminal investigations for a decision as to whether a criminal investigation should be pursued.
(2) Relevant material obtained under this Chapter from the taxpayer after the referral, must be kept separate from the criminal investigation.
(3) If an investigation is referred under subsection (1) the relevant material and files relating to the case must be returned to the SARS official responsible for the audit if-
(a) it is decided not to pursue a criminal investigation;
(b) it is decided to terminate the investigation; or
(c) after referral of the case for prosecution, a decision is made not to prosecute.