
| | | |  | | | | Owners code is expressed in equivalent values by prescribing a value of 10 to A, 12 to B, 13 to C and so up to 38 to Z.(The values 11, 22 and 23 are excluded.) | | | | EXAMPLE: ABZU 012345 Then A= 10 X 20 B= 12 X 21 Z= 38 X 22 U= 32 X 23 0= 0 X 24 1= 1 X 25 2= 2 X 26 3= 3 X 27 4= 4 X 28 5= 5 X 29 - - - - - - - - - Total 4570
| | This total is then divided by 11 and the residue (in this case 5) is accepted as the check digit. | |