The day before a ship is due to be undocked, and before flooding operations are begun, the Undocking Certificate and the Certificate of Changes of Weight in Dock must be completed.
Usuku phambi kokuba inqanawa ifike elunxwemeni naphambi kokuba kuzaliswe ngamanzi isatifikethi sokungahlali elunxwemeni nesatifikethi sokutshintsha kobunzima ezibukweni mazizaliswe.