Etiquette is very much based on traditions and fashion, which is why there is not always a logical explanation for the etiquette rules. The basic idea behind most etiquette rules for a prom, however, is to have fun together in a discreet and elegant way

Common sense is a little harder to teach so we hope it's something you will bring with you

Summary

To those of you who think that there is to much to remember about here is a TL:DR:

Behave as you usually do and try to keep the idea of being discreet and elegant in the back of your mind. Keep in mind that the etiquette rules are there as an extra layer to bridge people together and not as a barrier between them.

Do not hesitate to contact Marskalksämbetet if anything is unclear or if you have any questions. If you have specific questions regarding the attire for a prom these are also answered by tailors and shop assistants in shops with party clothes.