Step 2: On the left side Navigation, please go to UPDATE PERMIT Tab >> AMENDMENT Tab.  

Step 3: Type in the Job Number of the permit you wish to extend the validity date Job Number on the specific field both sides. Adjust the creation date range from the date you created the permit then hit Search button. 

Step 4: Below Search Result, you will see your permit you wish to cancel. Below Update Action word hit “AMEND” word. 

Step 5: The system will route you to the Header Tab. Below click SAVE DECLARATION button to proceed. Once done, go straight to Amendment Tab. Type in the Permit Number, Amendment Reason and tick the box for Permit Validity Extension then click on SAVE DECLARATION button.

Step 6: Please go back to Summary Tab. Below tick the box for Declaration Indicator then click on SAVE DECLARATION button then SAVE & SEND button. 

NOTE: Please wait for approval coming from Singapore Customs.