https://www.mercurynews.com/2022/07/04/miss-manners-i-think-the-brides-dress-instructions-are-rude/

DEAR MISS MANNERS: Is it appropriate to send out a wedding invitation with explicit directions on how guests should dress?

The bride wants to stipulate on the invitation “no T-shirts, no shorts,” etc. She says too many people show up at weddings improperly dressed.