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Singapore Customs

Permit Validity and Error Messages

Find out how long export permits remain valid and what error messages you may encounter when submitting permit applications in TradeNet.

Last updated 9 April 2026

Permit Validity

The validity period of an export permit depends on the type of goods, the purpose of the export, and the place of release and/or receipt.

The table summarises the typical validity periods for export permits.

Export permit (message type)

Validity Period*

OUT

Approval date + 9 working days


Approval date + 2 working days for dutiable goods released from Customs licensed premises


Approval date + 1 working day for movement of dutiable sea stores

*Please refer to the specific validity period for each permit. If you are unable to utilise the permit within the stipulated period, please extend the validity period of the permit via TradeNet before it expires.

Error Messages

DCS Error: If your permit application is incomplete or contains an error, TradeNet will generate a DCS Error message.

CA/SC Reject: If your permit application does not meet the requirements of Singapore Customs or another Competent Authority, you will receive a CA/SC Reject message.

Please submit a new export permit application after rectifying the errors or omissions. A new Unique Reference Number (URN) will be issued for the new permit application.