046 SPECIAL CODED DATES (R)
Indicators - Both undefined; each contains a blank (^)
Subfield Codes
$a Type of date code (NR)
c - Actual date and copyright date
(BK CF MP MU VM) [OBSOLETE]
i - Inclusive dates of collection
k - Range of years of bulk of collection
m - Multiple dates
n - Date unknown
p - Distribution/release/issue
and production/recording session dates
q - Questionable date
r - Reissue and original dates
s - Single known/probable date
t - Publication and copyright dates
x - Incorrect dates
$b Date 1 (B.C. date) (NR)
$c Date 1 (C.E. date) (NR)
$d Date 2 (B.C. date) (NR)
$e Date 2 (C.E. date) (NR)
$j Date resource modified (NR)
$k Beginning or single date created (NR)
$l Ending date created (NR)
$m Beginning of date valid (NR)
$n End of date valid (NR)
$2 Source of date (NR)
$6 Linkage (NR)
$8 Field link and sequence number (R)