You can obtain an employer's certificate (e.g., for applying for parental allowance, daycare vouchers, residence permits, etc.) from your designated administrator at the central human resources office. 

The contact details for the relevant employees in the PolSoz department can be found here: 

I 1 – Team Civil Servants 
I 2 – Team Research Assistants

If you are an employee and wish to take on secondary employment, you are required to notify your employer. Civil servants are also subject to a general requirement to obtain approval for secondary employment; in any case, all secondary employment must be notfied in advance using the appropriate form. This form and all further information can be found here.

If you have any questions about filling out the form, please contact your responsible secretariat. 

You can generate a housing allowance certificate for applying for housing allowance yourself via your my-FU portal > elSA portal > Self-Service Employees. The document is valid without a signature or official stamp.