045 - TIME PERIOD OF HEADING (NR)

A time period code (subfield $a) and/or a formatted time period (subfield $b or $c) associated with the 1XX heading in an established heading record or a subdivision record.

Indicators

Subfield Codes

Examples


045

##$aa0d6

045

0#$c2500000000

045

1#$bd1972$bd1975

045

2#$bd186405$bd186408

045

2#$c25000$c15000

045

##$ad7d9

045

##$aa-c-

045

##$ac4c6

045

##$ad8h2

045

2#$bd1791$bd1797

045

2#$c225000000$c70000000