An archival categories A and B
Knowledge of archival categories is the foundation of working in an archive. According to the 2015 Regulation of the Ministry of Culture and National Heritage, https://isap.sejm.gov.pl/isap.nsf/download.xsp/WDU20150001743/O/D20151743.pdf 1. The symbol “A” denotes the archival category of archival materials. This refers to documentation that must be stored indefinitely. 2. The symbol “B” denotes the archival category of