No one shall be held guilty of any penal offence on account of any act or omission which did not constitute a penal offence, under national or international law, at the time when it was committed. Nor shall a heavier penalty be imposed than the one that was applicable at the time the penal offence was committed.
Akukho namnye oya kufunyanwa enesohlwayo setyala ngenxa yomthetho okanye ukushiya isenzo esingamisa isohlwayo setyala, ngaphantsi kwamatyala esizwe nawezizwe-jikelele, nangexesha lokwenzeka kwetyala. Nakuba kubekwe isigwebo esinzima kunesiya esasisetyenziswa ngexesha lokwenzeka kwetyala.