046 Special Coded Dates (R)
Record Type |
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BIB |
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Input Standards |
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| Field (Full/Minimal) | ||
| Required if applicable/Optional | ||
| 1st Indicator Type of entity | ||
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No information provided | |
| 1 | Work | |
| 2 | Expression | |
| 3 | Manifestation | |
| 2nd Indicator Undefined | ||
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Undefined | |
| Subfields (R=Repeatable NR=Nonrepeatable) | Input Standards (Full/Minimal) | |
| ǂa | Type of date code (NR) | Required if applicable/Required if applicable |
| ǂb | Date 1, B.C.E. date (NR) | Required if applicable/Required if applicable |
| ǂc | Date 1, C.E. date (NR) | Required if applicable/Required if applicable |
| ǂd | Date 2, B.C.E. date (NR) | Required if applicable/Required if applicable |
| ǂe | Date 2, C.E. date (NR) | Required if applicable/Required if applicable |
| ǂj | Date resource modified (NR) | Required if applicable/Required if applicable |
| ǂk | Beginning or single date created (NR) | Required if applicable/Required if applicable |
| ǂl | Ending date created (NR) | Required if applicable/Required if applicable |
| ǂm | Beginning of date valid (NR) | Required if applicable/Required if applicable |
| ǂn | End of date valid (NR) | Required if applicable/Required if applicable |
| ǂo | Single or starting date for aggregated content (NR) | Required if applicable/Required if applicable |
| ǂp | Ending date for aggregated content (NR) | Required if applicable/Required if applicable |
| ǂx | Nonpublic note (R) | Required if applicable/Required if applicable |
| ǂz | Public note (R) | Required if applicable/Required if applicable |
| ǂ2 | Source of date (NR) | Required if applicable/Required if applicable |
| ǂ3 | Materials specified (NR) | Required if applicable/Required if applicable |
| ǂ6 | Linkage (NR) | System supplied/System supplied |
| ǂ8 | Field link and sequence number (R) | Optional/Optional |
Definition |
Date of item information that either cannot be recorded in DtSt and Dates because such information involves one or more Before Common Era (B.C.E.) dates, incorrect dates, dates when resources have been modified or created, and date spans when resources are valid, or is recorded here in addition to appearing in DtSt or Dates. |
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Guidelines |
Guidelines on how to record a date in subfields ǂb, ǂc, ǂd, ǂe, ǂo, and ǂp are generally the same as those specified under DtSt and Dates, except that dates shorter than 4 digits are recorded without leading zeros. B.C.E. dates and incorrect dates may be recorded only in field 046. If you use field 046 for B.C.E. dates, enter code b in DtSt and blanks in Dates. If you use field 046 for incorrect dates, enter a code appropriate to the corrected dates in DtSt and enter the corrected dates in Dates. Precedence of codes (monographic items) When more than one code applies to the date(s) related to a bibliographic item, use the lists below to determine the appropriate code to use. In each list, codes listed first take precedence over codes listed subsequently. The first list covers single part items and multipart items completed in one year. The second list covers multipart items for which a span of dates is required. Single part/multipart items complete in one year
Collections/multipart items complete in more than one year
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1st Indicator |
Type of entity. Type of entity for which a date is recorded. |
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2nd Indicator |
Undefined. The 2nd indicator position is undefined and contains a blank.
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Subfields |
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| ǂa Type of date code | The type of date code related to the dates given in field 046. See DtSt for code definitions and guidelines. Use code x only in field 046.
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| ǂb Date 1, B.C.E. date | The B.C.E. (Before Common Era) date for Date 1.
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| ǂc Date 1, C.E. date | The C.E. (Common Era) date for Date 1. In the case of an incorrect Date 1, the incorrect date is recorded in field 046 while the corrected date is recorded in Dates.
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| ǂd Date 2, B.C.E. date | The B.C.E. (Before Common Era) date for Date 2.
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| ǂe Date 2, C.E. date | The C.E. (Common Era) date for Date 2. In the case of an incorrect Date 2, the incorrect date is recorded in field 046 while the corrected date is recorded in Dates.
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| ǂj Date resource modified | The date on which a resource has been modified. Dates in subfield ǂj usually relate to Web pages and other electronic media that routinely record the date of the last update. Record the date and time according to ISO 8601, Representation of Dates and Times unless another date scheme is specified in subfield ǂ2. The date requires up to 8 numeric characters in the pattern yyyymmdd (4 digits for the year, 2 digits for the month, and 2 digits for the day). If applicable, the time requires up to 8 numeric characters in the pattern hhmmss.f (2 digits for the hour, 2 digits for the minute, 2 digits for the second, and 1 digit for a decimal fraction of the second preceded by the decimal point). The 24-hour clock (00-23) is used.
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| ǂk Beginning or single date created | The date or beginning of the date range on which a resource has been created when it is not more appropriately recorded in another field. Do not record dates in subfield ǂk elsewhere. The structure of the date is recorded as specified in subfield ǂj.
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| ǂl Ending date created | The ending date of a date range on which a resource has been created. The structure of the date is recorded as specified in subfield ǂj.
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| ǂm Beginning of date valid | The beginning of a date span for the validity of a resource. The structure of the date is recorded as specified in subfield ǂj.
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| ǂn End of date valid | The ending of the date span for the validity of a resource. The structure of the date is recorded as specified in subfield ǂj.
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| ǂo Single or starting date for aggregated content | Single or starting date of original release of the contents of a collection/aggregation.
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| ǂp Ending date for aggregated content | Ending date of original release of the contents of a collection/aggregation.
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| ǂx Nonpublic note | Note relating to the date(s) recorded in the field. The note is written in a form that is not adequate or intended for public display. |
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| ǂz Public note | Note relating to the date(s) recorded in the field. The note is written in a form that is adequate or intended for public display. It is not intended to substitute for system programming that correctly parses the date information itself for display purposes.
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| ǂ2 Source of date | For information about subfield ǂ2, see Control Subfields.
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| ǂ3 Materials specified | For information about subfield ǂ3, see Control Subfields.
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| ǂ6 Linkage | Data that link fields when non-Latin script is entered. This subfield is system supplied and does not appear in OCLC online displays. Do not manually add subfield ǂ6. For more information about subfield ǂ6, see Control Subfields. |
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| ǂ8 Field link and sequence number | For information about subfield ǂ8, see Control Subfields. |
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Indexing |
For indexing and searching information, see Searching WorldCat Indexes, field 046. |
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MARC 21 |
For more information, including content designator history, see MARC 21 Format for Bibliographic Data, field 046. |
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