IBM 1352 User Guide - Page 12

Section 3: MICR Check Design Routing Field Positions 43 to 33 The routing field is bounded by Transit Symbols (:) in positions 43 and 33. It contains fixed format information about the drawee institution. Consult with your bank for the specific data field to be placed here for each of your accounts. On-Us Field Positions 32 to 14 The On-us field contains the makers' account number. The structure and content of this field is left to the drawee bank. On personal checks this field also contains the check serial numbers. The On-Us field may not consist of more than 19 characters. An On-Us (;) symbol must appear immediately to the right of the account number. Blank Field Position 13 Position 13 is always left blank. Amount Field Positions 1 to 12 The amount field is the right most field in the MICR line. It remains blank until it is printed by the bank of first deposit. When the check enters the banking system, the bank of first deposit encodes this field from data in the convenience amount field. It will be bounded by Amount Symbols (/). Secure MICR Printer User's Guide July 2003 Page 8 © Source Technologies All rights reserved