ISRC_FORMAT
Error
Identifiers
ISRC must be CC-XXX-YY-NNNNN
An ISRC is 12 characters: a 2-letter country code, a 3-character registrant code, a 2-digit year and a 5-digit designation code. It is delivered uppercase with no hyphens or spaces; the hyphenated form is for display only.
§ 01
How the checker tests it
Flags a missing code, the wrong length or structure, and hyphens, spaces or lowercase letters.
Fix. Deliver the 12 characters, e.g. USRC12600002.
§ 02
Examples
US-RC1-26-00002
Fails ISRC_FORMAT
USRC12600002
USRC1260004
Fails ISRC_FORMAT
Deliver the 12 characters, e.g. USRC12600002.
usrc12600001
Fails ISRC_FORMAT
USRC12600001
USRC12600002
Passes
Results are computed by the rule on this page as it loads.
§ 03
Try it
Deliver without hyphens/spaces/lowercaseFix: USRC12600002
§ 05
Cite this rule
Metadata Style Guidelines (2026). ISRC_FORMAT: ISRC must be CC-XXX-YY-NNNNN. https://www.metadatastyleguidelines.com/rules/isrc-format
https://www.metadatastyleguidelines.com/rules/isrc-format