My parcel got stopped by customs authorities.

Customs regulations vary from country to country.
If your parcel got stopped, one of the following cases might apply:

Your parcel contained a restricted item.
– Your parcel will be shipped back.

The invoice got lost on the way
– Please contact us by Message Box in your account as we can reissue the invoice.

The contents has to be specified
– Please contact your customs authorities for details.