TAG MODIFICATION FLAG IBAN COUNTRY CODE IBAN COUNTRY CODE POSITION IBAN COUNTRY CODE LENGTH IBAN CHECK DIGITS POSITION IBAN CHECK DIGITS LENGTH BANK IDENTIFIER POSITION BANK IDENTIFIER LENGTH BRANCH IDENTIFIER POSITION BRANCH IDENTIFIER LENGTH IBAN NATIONAL ID LENGTH ACCOUNT NUMBER POSITION ACCOUNT NUMBER LENGTH IBAN TOTAL LENGTH SEPA OPTIONAL COMMENCE DATE MANDATORY COMMENCE DATE IS A AD 1 2 3 2 5 4 9 4 8 13 12 24 N IS A AE 1 2 3 2 5 3 \N 0 3 8 16 23 N IS A AL 1 2 3 2 5 3 8 5 8 13 16 28 N IS A AT 1 2 3 2 5 5 \N 0 5 10 11 20 Y IS A AZ 1 2 3 2 5 4 \N 0 4 9 20 28 N IS A BA 1 2 3 2 5 3 8 3 3 11 10 20 N IS A BE 1 2 3 2 5 3 \N 0 3 8 9 16 Y IS A BG 1 2 3 2 5 4 9 4 8 13 10 22 Y IS A BH 1 2 3 2 5 4 \N 0 4 9 14 22 N IS A DE 1 2 3 2 5 8 \N 0 8 13 10 22 N