OLAC Best Practice for identifier for manifestation

Prerecording

Prerecording

Record identifiers when present, especially ISBN and publisher numbers, with qualifying information, when applicable. For streaming media, follow PCC Provider-Neutral E-Resource MARC Record Guidelines.

Recording

Option

Cataloger's judgment.

Option

Cataloger's judgment.

Two or more identifiers for a manifestation

Incorrect identifiers

Recording an unstructured description

Recording a structured description

Recording an identifier

Option

Apply the option for videodiscs and video games. Only one identifier is core. When using MARC, record UPC for DVDs in MARC field 024 with first indicator 1, and publisher numbers in MARC 028. Record video game platform numbers in MARC field 024 with first indicator 8.

Data provenance

Recording an IRI

Document Date: 2026/02/06
Document: https://access.rdatoolkit.org/en-US_ala-42c259de-d083-35b5-98d2-4138a0b16cd8