rule book
US /ˈruːl bʊk/
UK /ˈruːl bʊk/
1.
a book containing the rules for a game, sport, or organization
:
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Always check the rule book before starting a new game.
•
The referee consulted the rule book after the controversial play.
2.
a set of established rules or procedures that govern behavior or operations, often implying strict adherence
:
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He always follows the rule book, even when it's inconvenient.
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Our company operates strictly by the rule book.