Inform your Faculty and HR Center about the termination of your work,
fill in and give back circulation card to HR Center,
leave your contact data (address, e-mail, phone number) at the Faculty office and HR Center for the possibility to contact you after the end of your contract,
finalize all formal and financial matters related to the University (e.g. payment of salary, refund of loans (if applicable), return of university equipment and property, return of book to the library),
in case of staying in the dormitory – inform the administration office about the date of checking out and make the required fees
Other issues:
close your Polish bank account,
terminate the rental agreement (if applicable) and other related agreements (for internet, television etc.),
get acquainted with the Polish tax law procedures to deal with tax declaration in the following year (according to Polish law everybody is obliged to do the tax declaration by the 30th of April for the previous year – based on PIT document prepared by the employer; give your foreign bank account to the tax office before leaving Poland – in case you are eligible to get tax refund),
terminate your legalization process (if applicable) – inform the legalization office about the date of leaving Poland and ask to close your TRC procedure.
