Diplomatic Service: Dress Code Question Asked by Viscount Waverley To ask Her Majesty's Government what guidelines there are on dress codes for British diplomats attending official functions abroad. [HL2436] The Minister of State, Foreign and Commonwealth Office (Baroness Kinnock of Holyhead) There is no universal guidance on dress code for British diplomats attending official functions abroad. The dress code would depend on the country a diplomat is serving in, the function being attended and the guidance issued by the host.