Etiquette in the presence of British royalty

There are no obligatory codes of behaviour, just courtesy, the official website of the UK monarchy says
By Alice Johnson Staff Reporter
Published: 00:00 November 25, 2010
Source: gulfnews.com

Dubai: Do you know how to address the Queen, or what to do if you're invited to tea with her?
According to the official website of the UK monarchy, "there are no obligatory codes of behaviour — just courtesy". However, many people wish to observe the traditional forms of greeting.
Firstly, everyone (except the Queen Mother when she was alive) has to stand up when the monarch enters a room.
When meeting her, women should curtsey (a small bob) while men should bow with their heads (not from the waist or too deeply). Other people prefer simply to shake hands in the usual way.
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