by dlengton | Dec 2, 2016 | Apps, Mobile, Tips and Tricks
This blog post describes how South African ID numbers can be verified mathematically in Survey123. South African ID numbers have the following format: {YYMMDD}{G}{SSS}{C}{A}{Z} YYMMDD : Date of birth. G : Gender. 0-4 Female; 5-9 Male. SSS : Sequence No. for DOB/G...
