Entity type based on the checksum multiplier phase used Determined by the first digit of the EDRPOU code
First digit 0-2 or 7-9 uses PHASE1 multiplier [1,2,3,4,5,6,7]
First digit 3-6 uses PHASE2 multiplier [7,1,2,3,4,5,6]
Entity type based on the checksum multiplier phase used Determined by the first digit of the EDRPOU code