It’s no secret that the United Kingdom’s royal family has strict rules they must live by.

Carrying a royal title comes with a thorough regimen on how to behave.

According toPureWow, some of the guidelines are a bit intense.

Kate Middleton smiling

Rules for the family stretch far past their outfit choices, too.

If you even associate with a member of the family you have strict rules to follow.

Todate a royal, you must engage in a strict protocol.

Kate Middleton smiling

Want to wear a tiara?

You have to wait until you marry into the family, unfortunately (via theBBC).

However, Kate was having a conversation with a fan when an unspoken rule was broken.

Even celebrities like Michelle Obama have faced backlash for putting their arms around royals (viaInsider).