When guest try to check in guest before check in time and late check out as after check out time, Guest have to pay some charges here.
Example:
Check in time is 10:00am : Guest checked in by 09:00am >> Early check In 
Check out time is 09:00am : Guest checked out by 12:00pm >> Late Check Out
Here Guest must pay charges according to hotel policy.

Location:
eZee Frontdesk Configuration >> Advance settings >> Rental >> Rental Settings

Pre-requisite:
eZee Frontdesk Configuration >> Masters >> Reason / Remark

Use Privilege:
General Settings >> Access Early  Check In / Late Check Out

How to Access:
Kindly refer below screenshot for configuration of early check In and late checkout charges.

Screenshot 1: You have to active early checkout and late checkout charges

Screenshot 2: Restrat Frontdesk Configuration to get below option
If you are apply early check in / late check out slab then do this setting
Screenshot 3:

Screenshot 4:
Here there are 4 types of charges available
1. None – No charges and add remarks
2. Half Tariff – 50% tariff of one night
3. Full Tariff –  one night room tariff applicable
4. Manual – Add manually charges

Take late check out charge and do check out