rule book

• Conjunto oficial de regras, regulamentos ou diretrizes que governam uma atividade, organização ou sistema específico.

A set of official rules, regulations, or guidelines that govern a particular activity, organization, or system.

1. Official set of rulesB1formal

   A book or document containing the official rules and regulations for a particular activity, organization, or game.

   Livro de regras

   • The referee consulted the rule book before making a decision.
   • Every employee must follow the company rule book.
   • The rule book clearly states the penalties for this violation.

2. Established proceduresB2informal

   The set of accepted or standard practices and guidelines in a particular field or situation.

   Procedimentos estabelecidos

   • In politics, there is an unwritten rule book that everyone follows.
   • He decided to throw away the rule book and do things his own way.
   • The rule book for this industry is very strict.