On June 7, 2005 Prof. Leon Kieres, President of Institute of National Remembrance and Ms. Marianne Birthler, Federal Commissioner for the Records of the National Security Services of the former DDR signed the Co-operation Agreement between the Institute of National Remembrance - Commission for the Prosecution of Crimes against the Polish Nation and the Federal Representative for the Documents of the National Security Services of the former DDR.

The agreement provides for the frames of co-operation in the fields of scientific research and education. This co-operation comprises mutual research programs and mutual assistance in dissemination of the results of scientific research, organization of seminars and conferences, mutual edition of historic documents. Co-operation in the field of documentation shall comprise, in particular, exchange of information about the archive inventory of the contractual parties, exchange of experience in the field of the collection, processing, dissemination and preservation of the documents, and exchange of information about archival resources of the contractual parties. Both parties shall make the documentation, which refers to questions within the areas of interest, accessible to the other party on the basis of reciprocity.