Related Clues:

• Cryptographic writing
• Last part of UPC
• Fish to European rules
• It's key to fish recipe at foundation
• Good form shown by first officer?
• (Computer) programming instructions
• Diplomatic rules
• Rules of procedure
• Set of rules applied to items for sale in the bar?
• Cypher employed by the Woosters?
• Formalities Blimp's image promoter observed?
• Draft treaty Public Record Office has to pass
• Ethical standards for programming
• Kind of fellow in Marvin Gaye's debut hit
• Official procedure