Norma relacionada
Practice Relating to Rule 159. Amnesty
Section A. Amnesty for participation in non-international armed conflicts
Poland’s Act on the Institute of National Remembrance (1998) states:
The provisions of acts and decrees issued before 7 December 1989 providing for amnesty or abolition shall not apply to perpetrators of war crimes, crimes against humanity or communist crimes. 
Poland, Act on the Institute of National Remembrance, 1998, Article 4(1)(3).