388 Time Period of Creation

Field definition and scope:

Field 388 contains the time period of creation or origin of the work or expression (including aggregate works), or of the works or expressions contained in an aggregation.

Field 388 is repeatable.

Guidelines for applying content designators:

For indicator and subfield code definitions and examples, National-level (NLR) and Minimal-level (MLR) record requirements, and designator repeatability, see table below:

Position	Description	NLR	MLR	Repeatability
Field 388	Time Period of Creation			R
Indicator:
First	Type of time period	M
#	No information provided	A
1	Creation of work	A
2	Creation of aggregate work	A

Second	Undefined; contains a blank	M

Subfield code:
$a	Time period of creation term			R
$0	Authority record control number or standard number			R
$1	Real World Object URI			R
$2	Source of term			NR
$3	Materials specified			NR
$6	Linkage	A	O	NR
$8	Field link and sequence number	O	O	R

Content designator history:

Field 388 - Time Period of Creation [new, 2014]

Subfield $1 - Real World Object URI [new, 2017]