552 Entity and Attribute Information Note

Field definition and scope:

Field 552 contains a description of the information content of the data set, including the entity types, their attributes, and the domains from which attribute values may be assigned.

The National level record requirement for this field is Optional.

Field 552 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 552	Entity and Attribute Information Note	O	O	R
Indicator:
First	Undefined; contains a blank	M
Second	Undefined; contains a blank	M

Subfield code:
$a	Entity type label	A	O	NR
$b	Entity type definition and source	A	O	NR
$c	Attribute label	A	O	NR
$d	Attribute definition and source	A	O	NR
$e	Enumerated domain value	A	O	R
$f	Enumerated domain value definition and source	A	O	R
$g	Range domain minimum and maximum	A	O	NR
$h	Codeset name and source	A	O	NR
$i	Unrepresentable domain	A	O	NR
$j	Attribute units of measurement and resolution	A	O	NR
$k	Beginning and ending dates of attribute values	A	O	NR
$l	Attribute value accuracy	A	O	NR
$m	Attribute value accuracy explanation	A	O	NR
$n	Attribute measurement frequency	A	O	NR
$o	Entity and attribute overview	A	O	R
$p	Entity and attribute detail citation	A	O	R
$u	Uniform Resource Identifier	O	O	R
$z	Display note	O	O	R
$6	Linkage	A	O	NR
$8	Field link and sequence number	O	O	R

Input conventions:

Punctuation

Content designator history:

This field was established provisionally as field 551, but changed to field 552 in 1999 to eliminate conflicts in the definition of field 004 in the Holdings and field 551 in the Community Information formats.

Subfields $u - Uniform Resource Identifier

$z - Display note

In 2000, subfield $u was defined to contain the Uniform Resource Identifier (URI) and subfield $z was defined to contain a note that introduces the data in the field.