| First Indicator | Second Indicator |
|---|---|
| Undefined # - Undefined |
Undefined # - Undefined |
| Subfield Codes | |
|---|---|
|
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Used to provide information about the origin of a MARC record which has been converted by machine from another metadata structure.
$a - Conversion process
Identifies the process used to produce the data contained in the MARC record. The subfield may contain a process name or some other description.
| 884 | ##$aBibframe to MARC transformation version 1.011$g2014-09-10$khttp://id.example.com/resources/bibs/5226.rdf$qDLC$uhttps://github.example.com/ld4l/bibframe2marcproject/tree/a9f03c8f86ffa1c8e2f41cbbec2d396a655a956d/ [BIBFRAME to MARC Conversion] |
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$g - Conversion date/time
Date/time on which the data was converted. Date/time information is recorded in accordance with ISO 8601, Representation of Dates and Times. When this subfield is used, the date is mandatory. Time may also be included. The ISO 8601:2019 Extended format is preferred: yyyy-mm-ddThh:mm:ss.
| 884 | ##$aStanford Bibframe to MARC transformation, version 1$g2014-10-02$kstfbf1039806$qCSt$uhttp://stanford.example.com/Bibframe2MARC_v1.xsl [BIBFRAME to MARC Conversion with Date only, ISO 8601, Extended format] |
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| 884 | ##$aDLC bibframe2marc v2.9.0$g2025-08-15T18:44:34$qDLC$uhttps://github.com/lcnetdev/bibframe2marc/releases/tag/v2.9.0 [BIBFRAME to MARC Conversion with Date and Time, ISO 8601, Extended format] |
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| 884 | ##$aDLC bibframe2marc v2.10-dev (libxslt)$g2025-06-24T10:30:15$qDLC$uhttps://github.com/lcnetdev/bibframe2marc/releases/tag/v2.10.0 [BIBFRAME to MARC Conversion with Date and Time, ISO 8601, Extended format] |
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$k - Identifier of source metadata
Identifier associated with the description from which the data was obtained.
| 884 | ##$aMODS 3.4 to MARC LC standard transformation$g2014-09-10$k//lcweb2.loc.gov/diglib/ihas/loc.natlib.ihas.200033292/mods.xml$qDLC$u//www.loc.gov/standards/mods/v3/MODS3-4_MARC21slim_XSLT1-0.xsl [MODS to MARC Conversion] |
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$q - Conversion agency
MARC organization code of the institution using the process/activity to convert the data.
Code from: MARC Code List for Organizations.
$u - Uniform Resource Identifier
Uniform Resource Identifier (URI), for example a URL or URN, which identifies the process used to convert the data contained in the MARC record. The URI can lead to a textual or structured description of the process, or the URL that was used to generate the record’s content can be provided directly, i.e., a URL invoking a web service or conveying an API call.
| 884 | ##$aCustom MODS to MARC transformation for project A$g2014-12-08$kdruid:ab123cd4567$qCSt$uhttp://stanford.example.com/project/a/MODS2MARC_v3.xsl [MODS to MARC Conversion] |
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Subfield was renamed and the definition broadened to allow for the recording of time information.