This article explains how strict pick up times work. The same logic applies to Strict return times. Pick up times are used as the main example.
In some instances you might want your Official branch business hours be different from when clients can pick up. Then you can use the following set up:
What will happen in this case:
1) Your front end locations shows your Business hours. It's this page:
2) Your clients can book according to what is set up in Strict pick up times. That is what they see in their booking form when searching for cars.
If business hours are set to 10:00-16:00 and Strict pick up time is set to 9:00-15:00, client can only pick up according to Strict pick up times. That means a pick up at 16:00 is not possible.