Music Cataloging at Yale ♪ MARC tagging
The UPC code is a 12-digit number appearing underneath a barcode on commercial products in the US and Canada. The 1st and 12th digits are smaller and appear on either end of the barcode; the 2nd through 11th are divided into two groups of five underneath the barcode.
The UPC code is entered in the 024 field without any spaces.
first indicator = 1
second indicator = blank
| The first 6 of these digits is the manufacturer's code. The next 5 digits are the product code. The last digit is a check digit. |
 UPC code under a barcode |
Input all 12 digits in the 024 field, with 1st indicator "1": 024 1_ 028943083239 |
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| Don't confuse a 13-digit International (formerly European) Article Number (EAN) with an UPC. The EAN, international standard corresponding to the UPC, looks very much like a UPC code, except for the extra digits. |
 EAN code under a barcode |
Enter the EAN without hyphens or spaces in the 024 field, with 1st indicator "3": 024 3_ 4901234567894 |
The ISWC (International standard musical work) code is an 11-digit number divided into three elements:
the letter T (the prefix element), followed by nine digits (the work identifier), and a numeric check digit.
It appears with or without hyphens and/or dots:
ISWC T-034.524.680-1
ISWC T0413603765
Enter the ISWC code the 024 field without spaces, hyphens, or dots.
first indicator = 7
second indicator = blank
in ‡2 add iswc (in lower case):
024 7_ T0413603765 ‡2 iswc