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VAST-2.0-ctv-binding-implicit

VAST-2.0-ctv-binding-implicit

CTV extension without a binding applies to the first creative in a multi-creative ad

InfoCTV Addendum 2024IAB CTV Addendum 2024 (July 2024)VAST 2.0 and later (all versions)

Short answer

An extension with no explicit binding applies to the first creative or media file. On an ad with multiple creatives this info finding makes the implicit association visible.

Why this matters in production

This rule is advisory rather than fatal, but it still matters for portability, debugging speed, and keeping tags predictable across different buyers and playback stacks. These rules validate supplied standardized payloads carried in legacy VAST extensions. Correct version and location handling preserves compatibility while checking ID registries, mezzanine assets, SIMID payloads and creative bindings. Optional addendum features remain optional. Affected scope: VAST 2.0 and later (all versions).

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Other CTV Addendum 2024 rules

VAST-2.0-ctv-mezzanine-valuesMezzanine dimensions must be non-negative integers and type must be a MIME typeVAST-2.0-ctv-extension-locationStandardized CTV extension is not defined at this version or locationVAST-2.0-ctv-extension-payloadStandardized CTV extension must contain one element matching its typeVAST-2.0-ctv-universaladid-registryUniversalAdId extension requires idRegistry; a blank registry is accepted only for unknown IDsVAST-2.0-ctv-universaladid-registry-formatUniversalAdId extension idRegistry should be a registry name, root domain or unknownVAST-2.0-ctv-universaladid-contentUniversalAdId extension requires an ID in element text or unknownVAST-2.0-ctv-binding-unmatchedCTV extension binding must identify exactly one creative or media file in the same adVAST-2.0-ctv-interactive-apiInteractiveCreativeFile extension requires apiFramework=SIMID

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