<p>In accordance with art. 6 section 1 of the Repatriation Act, evidence confirming Polish origin may be documents issued by Polish state authorities or church authorities, as well as by the authorities of the former Union of Soviet Socialist Republics, regarding a foreigner or his parents, grandparents or great grandparents, in particular:</p>
<ul>
<li>Polish identity documents;</li>
<li>civil registry records or their duplicates, or baptism certificates confirming the relationship with Polishness;</li>
<li>documents confirming the completion of military service in the Polish Army, containing an entry informing about Polish nationality;</li>
<li>documents confirming the fact of deportation or imprisonment, containing an entry informing about Polish nationality;</li>
<li>identity documents or other official documents containing an entry informing about Polish nationality.</li>
</ul>
<p>In accordance with art. 6 section 2 of the Repatriation Act, other documents may also be evidence of Polish origin, in particular:</p>
<ul>
<li>documents regarding the rehabilitation of a deportee, containing an entry informing about his/her Polish nationality;</li>
<li>documents confirming repression/persecution of a person due to his/her Polish origin.</li>
</ul>