The End-of-Service Provision tab becomes available once the End-of-Service Provision option is selected on the Main tab. This option is available if the HR and Payroll module is enabled on the Administration > Settings > HR and Payroll form and if the Enable End-of-Service Benefit Calculation option is selected on the same form.
Using this tab, you can enter the end-of-service benefit amounts accrued for each employee before the start of operations in the application. 
The Opening Balances Entering document. The End-of-Service Provision tab
In the Employee column, select an employee with earned end-of-service benefit.
In the Amount column, specify the accrued amount of the benefit.
The GL Accounts column contains the link to the GL Accounts: Employee dialog box using which you can view the GL accounts involved in the transaction.
The GL Accounts: Employee dialog box
In the Transaction Content column, provide a description of this beginning balance.