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310 - CURRENT PUBLICATION FREQUENCY (NR)
The current stated publication frequency of either an item or an update to an item. Dates are included when the beginning date of the current frequency is not the same as the beginning date of publication. These data are related to coded data in field 008/18 (Frequency) and 008/19 (Regularity).
Indicators
- First - Undefined
- # - Undefined
- Second - Undefined
- # - Undefined
Subfield Codes
- $a - Current publication frequency (NR)
- $b - Date of current publication frequency (NR)
The date is different from the beginning date of the publication and a former frequency is contained in field 321. - $6 - Linkage (NR) See Control Subfields
- $8 - Field link and sequence number (R) See Control Subfields
Examples
310 |
##$aMonthly |
310 |
##$aMonthly including annual cumulation |
310 |
##$aBimonthly (monthly June-July) |
310 |
##$aAnnual $b1983- |
310 |
##$aMonthly $bJan. 1984 |
310 |
##$a5 no. a year $b1946-1948 |
310 |
##$aContinuously updated |
310 |
##$aUpdated irregularly$b2001- |

