Article 10

1. A decision granting a national application and any decision revoking or amending it shall take effect in the Member State in which the national application was submitted from the day following the date of adoption.
A decision extending the period during which customs authorities are to take action shall take effect in the Member State in which the national application was submitted on the day following the date of expiry of the period to be extended.

2. A decision granting a Union application and any decision revoking or amending it shall take effect as follows:
(a) in the Member State in which the application was submitted, on the day following the date of adoption;
(b) in all other Member States where action by the customs authorities is requested, on the day following the date on which the customs authorities are notified in accordance with Article 14(2), provided that the holder of the decision has fulfilled his obligations under Article 29(3) with regard to translation costs.

A decision extending the period during which customs authorities are to take action shall take effect in the Member State in which the Union application was submitted and in all other Member States where action by the customs authorities is requested the day following the date of expiry of the period to be extended.