Bytes |
CNR: 008/19; 006/02 |
Input Standards |
CNR: Optional. One-character code. Default:  |
Definition |
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| CNR, 006 |
The intended regularity of the continuing resource. |
Codes |
The codes in Freq and Regl should agree. Use field 310 to describe the current frequency and regularity. When the frequency and regularity of the publication change, Freq and Regl can be updated to reflect the current publication pattern as recorded in field 310. See Freq, field 310, and field 321 for more information. |
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| n |
Normalized irregular. A continuing resource is irregular in a predictable pattern (e.g., monthly, except in July and August).
| Freq |
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m |
| Regl |
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n |
| 310 |
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Monthly (except July and August) |
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| r |
Regular. Intended regular publishing pattern. Use when the frequency of the publication is known and the publisher intends to issue the item on a regular basis. This may be determined from information on the piece or by examining the publishing pattern. For example, if an item states that it is to be issued bimonthly, then Regl is coded r even though the publishing pattern includes occasional variations due to publishing difficulties. Inconsistencies may be recorded in field 515 if needed.
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| u |
Unknown. Regularity of the item is unknown. Use code u in Freq when code u is used in Regl.
| Freq |
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u |
| Regl |
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u |
| [No 310 field] |
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| x |
Completely irregular. Use when the frequency is known to be intentionally irregular (Freq is coded  ) or when the frequency in field 310 is expressed as numbers per year.
| Freq |
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 |
| Regl |
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x |
| 310 |
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Irregular |
| Freq |
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q |
| Regl |
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x |
| 310 |
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Five numbers a year |
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No attempt to code. |
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Indexing |
This fixed field element is not indexed. |
This page last revised: September 14, 2016
