Why salary in Serbia is not same every month?

The general rule is that an employee is entitled to salary compensation in the amount of the average salary from the previous 12 months, in accordance with the company policy and employment contract, in the following cases:

• during absence from work on a public holiday, that is a non-working day,
• annual leave,
• paid leave,
• military drills, and
• responding to a call from a government authority.

Additionally, the employee is also entitled to salary compensation during sick leave.