Related Clues:

• Convention governing clothes to be warn on a particular occasion
• "No shoes, no shirt, no service," for one
• Specification regarding threads
• Set of rules for some who are buttoned up?
• It may forbid offensive T-shirts
• Company's apparel rules
• Acceptable habit?
• Style guide?
• Business casual, e.g
• Black tie or smart casual, for example
• Information on what to wear (or not)
• Different doctors, one from the East in lesser sleeveless uniform
• 'Add vinegar etc to fish' : Jamie's ultimate restaurant rule?