Explanation

Code 20 is used to indicate that the publication contains images that are not part of the main content, such as book plates.

If the images do not contain any information necessary to understand the content (i.e., they are decorative), use code 46 instead.

Code 20 is set in a <ProductContentType> element for digital publications since the images are, by definition, not the primary content.

Only for use in ONIX 3.0 or later.

Schema.org mapping

Code 20 is the equivalent of setting a visual access mode using schema.org metadata.

Examples

Example 1 — Biography with additional images 
…
<PrimaryContentType>10</PrimaryContentType>
<ProductContentType>20</ProductContentType>
…

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