263 Projected Publication Date (NR)
Record Type |
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BIB |
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Input Standards |
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| Field (Full/Minimal) | ||
| National library and CIP participant use only/National library and CIP participant use only | ||
| 1st Indicator Undefined | ||
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Undefined | |
| 2nd Indicator Undefined | ||
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Undefined | |
| Subfields (R=Repeatable NR=Nonrepeatable) | Input Standards (Full/Minimal) | |
| ǂa | Projected publication date (NR) | Mandatory/Mandatory |
| ǂ6 | Linkage (NR) | System supplied/System supplied |
| ǂ8 | Field link and sequence number (R) | Optional/Optional |
Definition |
The projected date of publication used in bibliographic records for items that have not yet been published, but which have been cataloged as part of a Cataloging-in-Publication (CIP), National Serials Data Program (NSDP), or similar program. Such advance information comes from the publisher. For information on punctuation, see the Punctuation section below. |
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1st Indicator |
Undefined. The 1st indicator position is undefined and contains a blank.
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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 Projected publication date | The date may be in the form yyyymm or yymm. For example, if a projected date is December 2019, the field is 201912 or 1912. For a projected date of 2020 (month unknown) the date is 2020-- or 20--. LC reissues CIP records with corrected dates if a publisher delays publication and LC obtains a revised date from the publisher. |
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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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Punctuation |
Omit all punctuation in field 263.
For more information on punctuation, including OCLC policy, see section 2.8, Punctuation. |
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Indexing |
Field 263 is not indexed. |
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MARC 21 |
For more information, including content designator history, see MARC 21 Format for Bibliographic Data, field 263. |