By Default, staff can request leave into negative balances.
If you want to prevent this, this can be done in the leave type settings:
Go to compliance > Leave Types and select the chosen leave type.
At the bottom of the leave type settings, there is a section for this:
In this section, you will have the option to prevent negative balances and determine the protocol for addressing situations where employees request more hours than they have available.
Also to note: These rules only apply to employees requesting leave.