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310  Current Publication Frequency (NR)

       

Input Standards

Required if applicable/Optional
1st Indicator  Undefined
blank character  Undefined
2nd Indicator  Undefined
blank character  Undefined
Subfields (R=Repeatable  NR=Nonrepeatable) Input Standards 
‡a Current publication frequency (NR) Mandatory/Mandatory
‡b Date of current publication frequency (NR) Required if applicable/Required if applicable




Definition

The current publication frequency of a continuing resource (serial or integrating resource).

See Freq (Frequency) and Regl (Regularity) and field 321 (Former Publication Frequency) for more information.

1st Indicator

Undefined. The 1st indicator position is undefined and contains a blank ( blank character ).
 
blank character Undefined 

2nd Indicator

Undefined. The 2nd indicator position is undefined and contains a blank ( blank character ).
 
blank character Undefined 

Subfields

 
‡a Current publication frequency   A note that describes the frequency of the continuing resource. Use the following guidelines to enter information in subfield ‡a so that your notes print correctly.
  • Capitalize the first letter of the first word in subfield ‡a.
  • Enter a comma between subfields ‡a and ‡b.
  • Do not enter final punctuation unless the field ends with an abbreviation.
  • If the field begins with a number and does not have field 321, spell out the number.
    310     Seven issues yearly, ‡b Jan. 1986-
    [No field 321 is used.] 
  • If the record has a 310 field and one or more 321 fields, use Arabic numerals in field 310 and spell out the number in the first field 321.
    310     4 issues yearly, ‡b Aug. 1904-
    321     Five issues yearly, ‡b 1901-June 1904
    310     Monthly, ‡b 1949-1956
    321     Five issues yearly, ‡b 1947
    321     14 issues yearly, ‡b 1948
‡b Date of current publication frequency   Date of current publication frequency. Use for dates if the beginning date of the current frequency is not the same as the beginning date of publication.

Printing

The following rules govern printing of current, multiple, and former frequency notes:
 
  • The current and former frequencies (field 310 and field 321) print as the first note.
  • Former frequencies ( field 321) print first in order of their appearance in the record, which should be earliest to most recent.
  • Current frequency (field 310) prints following former frequencies.
  • Multiple frequency statements print in the order of earliest to most recent.
AACR2 records 

The print program supplies a comma and a space between multiple frequency statements. The print program also supplies a period at the end of the note unless final punctuation (. ! ?) is present.

310     Monthly, ‡b 1949-1956
321     Five issues yearly, ‡b 1947
321     14 issues yearly, ‡b 1948
Prints as: 
Five issues yearly (1947), 14 issues yearly (1948), Monthly, (1949-1956).

The print program supplies parentheses around the dates in subfield ‡b of fields 310 and 321. If the final character in subfield ‡b is a hyphen, the print program supplies three spaces before the closing parenthesis.

Freq:     m
Regl:     r
310     Monthly, ‡b 1968-
Prints as: 
Monthly, (1968- ).
Pre-AACR2 records 

The print program supplies a semicolon and a space between multiple frequency statements. The print program also supplies a period at the end of the note unless final punctuation (.? !) is present.

310     5 no. a year, ‡b 1945-48
321     Four no. a year, ‡b 1931-44
Prints as: 
Four no. a year, 1931-44; 5 no. a year, 1945-48.
Records with no 310 fields 

If a record has no 310 field, the print program supplies a frequency note based on the Freq code. See Freq (Frequency) for more information.

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