L1NDA keeps track of your surplus/shortfall hours and holiday hours balance. As an employee, you have the rights to view these so you know for example how much holiday you can still take.
Click on the L1NDA-logo on the top left and go to 'Back office'.
Go to Holiday hours or Surplus/shortfall hours.
Here you can find both balances.
In case you'd like to zoom in and see what you've built up or taken per week, you can click on the icon before you name.
Your balance will pop up like this:
This article explains what the table above means and how to use it.