To order a return label by registered mail with PostNord within EU please follow the instructions below.
Choose your country and the option REK for registered mail with tracking code.
You will not get a tracking code if you choose the "Letter" option.
Fill in the weight of the return letter. Each passport is 50 grams.
Put the Consulate as sender, and yourself as receiver.
Directly after the payment, print the label (not the receipt), attach it securely to a return envelope and send it together with your application to the consulate. .
Link to PostNord Skicka Direkt