officialrules
nounUK /əˈfɪʃ.əl ruːlz/
US /əˈfɪʃ.əl ruːlz/
The official rules are the special rules that everyone must follow.
Please read the official rules before you start the game.
RELATED WORDS
OTHER MEANINGS
2. The written set of rules made by a group or company.
The official rules of the contest are on the website.
3. The rules that are accepted as correct by people in charge.
The referee follows the official rules of the sport.
4. A formal list of what is allowed and not allowed.
The official rules say you cannot use your phone during the test.