Dziennik Ustaw or Dziennik Ustaw Rzeczypospolitej Polskiej (English: Journal of Laws of the Republic of Poland, abbreviated Dz.
U.) is the most important Polish publication of legal acts.
It is the only official source of law for promulgation of Polish laws.
The supreme law in Poland is the Constitution of Poland.
Poland is a civil law legal jurisdiction and has a civil code, the Civil Code of Poland.
Monitor Polski (English: Official Gazette of the Republic of Poland, abbreviated M.
P. or MP) is a publication of the Prime Minister of the Republic of Poland.
The paper was launched in 1918.