A finished short should be understandable to someone who has never seen the edit. Delivery is the point at which the completed film and its accompanying materials leave the familiarity of the cutting room.
The Complete Release Version
The Library of Congress's Moving Image Works guidance specifies the complete final production or release version of a motion picture. Its description includes the original production resolution, aspect ratio and frame rate.
The listed file-based options include a ProRes QuickTime (.mov) container using the 4444 (XQ), 4444 or 422 HQ codecs.
The same guidance specifies files without measures that control access to, or prevent use of, the digital work. It names digital rights management technologies and encryption as examples.
A filename such as "final" cannot explain whether a file reflects the approved cut. A clear handoff identifies the intended release so that later work does not depend on somebody remembering which export was chosen.
Final Audio and Accessibility
The Library specifies complete final tracks, including foreign-language tracks and descriptive audio when applicable. For each language and mix in the final production version, it calls for the original channel structure and audio resolution as delivered to the content distributor.
Since 2024, the Library's 2025-2026 Recommended Formats Statement has included a preferred or acceptable format's potential to support digital accessibility as an evaluation criterion. Captions, subtitles and other alternatives for multimedia are among its examples.
It includes metadata tags that indicate the presence of captions, transcripts and other accessibility features. It also considers whether embedded closed captions are supported and whether a file relies on external data, such as a WebVTT file containing caption data. The statement does not require these accessibility features to be enabled for inclusion in Library collections.
For a handoff, accompanying caption data needs to be recognizable as part of the film's materials. A recipient should not have to guess which supplied text belongs with the release.
Metadata That Travels With the Film
The Library names relevant unique identifiers, including EIDR and ISAN. When a unique identifier is not available, it lists these descriptive fields:
- Release title and release or production date.
- Production company and/or producer, and distributor name.
- Country of origin, language and duration.
The identifying record can be prepared while the release is being checked, rather than assembled from memory after the files have left the editor. Recording an unknown field as unresolved is more useful than supplying a confident guess.
What the Library's Guidance Covers
The Library's July 15, 2025 formats update expanded the Moving Image Works section to include formats supporting file-based delivery. It described a move away from physical media such as commercially pressed DVD and Blu-ray discs.
The Recommended Formats Statement is primarily geared toward published content, rather than personal papers or archival acquisitions. The Library describes it as especially helpful for collection-development plans and recommending officers seeking and acquiring content. Its recommendations reflect the Library's format preferences and capabilities.
The update gives a concrete acquisition example: when published content is available in more than one format, the recommendation is to select a preferred or acceptable format.