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The new, modern wedding etiquette is focused on the lovebirds ... have a little decorum. RSVP on time. “So many people do not respect that date,” said Alyssa Alinato. Dress appropriately.

Elaine Swann, founder of The Swann School of Protocol, shares with PEOPLE her top wedding etiquette recommendations guests should follow Jordan Greene is Society and Culture writer-reporter at PEOPLE.

You’ll also want to make sure your invitations include all necessary information, such as the date, time, location, dress ...