Related Clues:

• First officer observed formalities
• Rules lines on carbon
• College poem put in cipher
• Draft treaty
• Formal code of primitive army officer
• Fish sauce -- at last there's a set of rules
• Protestant backing crazy customs
• Rules of behaviour one can understand if someone breaks
• Cryptograph
• Message in cipher
• Said the expert to the officer -- 'It's etiquette'
• Code of behaviour
• Some original characters from Colin Dexter, such as Morse
• Poor clot violated etiquette
• Fake drug regulations