Etiquette, Code of Conduct for a Government
Puzzle 20 of Working From Home Pack
Question is: Etiquette, Code of Conduct for a Government
and the answer is: PROTOCOL
Word Meaning:
PROTOCOL — (now chiefly historical) The minutes, or official record, of a negotiation or transaction; especially a document drawn up officially which forms the legal basis for subsequent agreements based on it.
Definitions from Wiktionary.