"Federal Decree on Additional Funding for OASI Pensions by increasing the Rate of VAT / Federal Act on the 2020 Pension Reforms".
Ανακτήθηκε στις 4-9-2017.  Ελέγξτε τις τιμές ημερομηνίας στο: |access-date= (βοήθεια) «Federal Decree on Additional Funding for OASI Pensions by increasing the Rate of VAT / Federal Act on the 2020 Pension Reforms».