Dzienisiuk, Dorota. “Inapplicability of Payment Reliefs to the Social Security Contributions Financed by the Insured Persons Other Than the Contribution Payers”. State and Local Government Budget Law 2, no. 3 (October 30, 2014): 45–61. Accessed July 5, 2025. https://apcz.umk.pl/PBPS/article/view/PBPS.2014.029.