To claim conformance to ISO/IEC 24752-5:2013, insert the following code in your Resource Sheet:

<dcterms:conformsTo>http://openurc.org/ns/rsheet-2/isoiec24752-5-2013</dcterms:conformsTo>

Whereby:

The pertinent MIME type of application/urc-ressheet+xml is defined at http://www.iana.org/assignments/media-types/application/urc-ressheet+xml.