Designer and Occasional Thirst Trap Marc Jacobs is hosting a party during New York Fashion Week for the release of Gloss, a new book about the work of famed 1970s photographer Chris von Wangenheim. Invitations, which were recently sent out, detailed—in ALL CAPS!— Jacobs’ absurd dress code requirements.

According to an invitation sent to Yahoo Style, this is everything you are allowed to wear to the party:

The sequin soirée will be held at Tunnel. Please do not disappoint Marc Jacobs.

[h/t Yahoo Style; photo via Getty]