Mark things with [Bv2.1_paragraph]
[/] done
[*] not done

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6 [/]
6.1 must be smpte [/]
    immersive audio DCPs must comply with 429-18, 429-19 [*] don't have these standards
6.2 Language and Territory must comply with RFC 5646
    - subtitle reel <Language> /
    - subtitle XML <Language> /
    - sound reel <Language>
    - ccap reel <Language>
    - MainSubtitleLanguageList
    - RFC5646SpokenLanguage
    - CPL metadata ReleaseTerritory