23. Communication of changes in particulars
A person who has been registered under section 22 must communicate to SARS within 21 business days any change that relates to-
(a) postal address;
(b) physical address;
(c) representative taxpayer;
(d) banking particulars used for transactions with SARS;
(e) electronic address used for communication with SARS; or
(f) such other details as the Commissioner may require by public notice.