Variable length. Alphanumeric. Product Identifier (local) 18 Optional Identification Optional Character set = ISO/IEC 646 IRV Item properties Single octet Media Format (other) 19 Optional (no code list Optional (coded list). defined) Fixed. For multi-use Supply Chain Stage 20 Optional No 1 byte (coded list) Variable length. Alphanumeric. Supplier Invoice Number 21 Excluded Acquisitions N/A Character set = ISO/IEC 646 IRV Variable length. Alphanumeric. Item Alternative Item Identifier 22 Optional Optional Character set = identification ISO/IEC 646 IRV Variable length. Item Alternative Owner Alphanumeric. Mandatory if identification 23 Optional Institution Character set = applicable for codes not ISO/IEC 646 IRV ISIL compliant Variable length. Subsidiary of an Owner Alphanumeric. Item 24 Optional Optional Institution Character set = identification ISO/IEC 646 IRV Variable length. Support ILL – Alternative ILL Borrowing Alphanumeric. 25 Optional for non-ISIL No Institution Character set = code ISO/IEC 646 IRV Variable length Alphanumeric. For local or Local Data C 26 Character set = Optional Optional regional use ISO/IEC 646 IRV, or UTF-8 *See Section . Primary Item Identifier Note: This element is referred to as Primary Item ID in this recommended practice, which reflects how it is commonly used in the U.S. The Primary Item ID is the identifier that is used to uniquely identify an item within a particular library. Most typically this is the barcode on the item and is the identifier used in functions like circulation (both and check-out) and inventory management. (See also .) To create an identifier that is nationally and potentially globally unique, the Primary Item ID can be used in combination with the Owner Library/Institution data element (see ). Properties: Requirement Fixed or Variable Locked? Encoding
Product Identifier (local) 18 Variable length. Alphanumeric. Character set = ISO/IEC 646 IRV Optional Identification Optional Media Format (other) 19 Single octet (coded list). Optional Item properties (no code list defined) Optional Supply Chain Stage 20 Fixed. 1 byte Optional For multi-use (coded list) No Supplier Invoice Number 21 Variable length. Alphanumeric. Character set = ISO/IEC 646 IRV Excluded Acquisitions N/A Alternative Item Identifier 22 Variable length. Alphanumeric. Character set = ISO/IEC 646 IRV Optional Item identification Optional Alternative Owner Institution 23 Variable length. Alphanumeric. Character set = ISO/IEC 646 IRV Mandatory if applicable Item identification for codes not ISIL compliant Optional Subsidiary of an Owner Institution 24 Variable length. Alphanumeric. Character set = ISO/IEC 646 IRV Optional Item identification Optional Alternative ILL Borrowing Institution 25 Variable length. Alphanumeric. Character set = ISO/IEC 646 IRV Optional Support ILL – for non-ISIL code No Local Data C 26 Variable length Alphanumeric. Character set = ISO/IEC 646 IRV, or UTF-8 Optional For local or regional use Optional *See Section . Primary Item Identifier Note: This element is referred to as Primary Item ID in this recommended practice, which reflects how it is commonly used in the U.S. The Primary Item ID is the identifier that is used to uniquely identify an item within a particular library. Most typically this is the barcode on the item and is the identifier used in functions like circulation (both and check-out) and inventory management. (See also .) To create an identifier that is nationally and potentially globally unique, the Primary Item ID can be used in combination with the Owner Library/Institution data element (see ). Properties: Requirement Fixed or Variable Locked? Encoding
RP-6-2012_RFID-in_US_Libraries.docx