advance-booking-rule
nounUK /ədˈvɑːns ˈbʊkɪŋ ruːl/
US /ədˈvæns ˈbʊkɪŋ ruːl/
A rule that says you must book something early before you can use it.
The advance-booking-rule means we have to reserve the campsite two weeks before we go.
RELATED WORDS
OTHER MEANINGS
2. A company policy requiring tickets to be purchased a set number of days before travel.
Under the advance-booking-rule, passengers must buy tickets at least seven days early.
3. A condition in a contract that reserves a service only if requested well ahead of time.
The hall's advance-booking-rule kept us from renting it at the last minute.
4. A guideline that gives cheaper prices to people who book far in advance.
The airline's advance-booking-rule offers lower fares for early planners.