MARC Validation

Glossary

	Term	Definition

	Term	Definition
1	Field	A discrete unit of information in a MARC record, identified by a unique three-character tag and encompassing specific data elements.
2	Control field	A specialized field (00X) containing coded information or control numbers, characterized by the absence of indicators and subfield codes.
3	Data field	Any field excluding 00X, structured with two indicators and subfields to contain specific data.
4	Field value	The substantive content contained within a given field.
5	Tag	A three-digit numeric identifier designating a specific field within a MARC record.
6	Indicator	A single-character value in a data field that provides supplementary information about the field's content or processing requirements.
7	Indicator order	The sequential position of an indicator within a data field.
8	Indicator code	A single alphanumeric character or blank used within an indicator to denote specific interpretations or processing instructions for the field's data.
9	Subfield	A distinct data element within a data field.
10	Subfield code	A single-character identifier used to demarcate and identify subfields within a data field.
11	Subfield value	The specific data content associated with a particular subfield code within a data field.
12	Specification	A comprehensive set of rules and definitions describing the MARC format, applicable for MARC record validation.
13	Specification rule	A defined criterion used in record validation, comprising a name, description, and rule code, with optional activation status.
14	Scope	A Parameter that define the applicability boundaries for various definitions within the specification.
15	Field definition	A detailed description of a MARC field used in record validation, including indicator and subfield definitions, as well as repeatability, requirement, and deprecation status.
16	Indicator definition	A specification of a MARC indicator used in record validation, detailing indicator order and valid indicator codes.
17	Indicator code definition	A description of permissible indicator codes for a specific indicator.
18	Subfield definition	A specification of valid subfield codes for a particular field, including repeatability, requirement, and deprecation status.

Validation error messages

	Record type	definition type	name	description	code	Message

	Record type	definition type	name	description	code	Message
1	Authority/Bibliographic	field	Invalid Field Tag	Field has invalid tag	invalidFieldTag	Tag must contain three characters and can only accept numbers 0-9.
2	Authority/Bibliographic	field	Missing Field	Field is required but does not exist in a record	missingField	Field <<field number>> is required.
3	Bibliographic	field	Non-Repeatable 1XX Field	More than one field from the 1XX group exists in a record	nonRepeatable1XXField	Field 1XX is non-repeatable.
4	Authority/Bibliographic	field	Non-Repeatable Field	Field is non-repeatable but exists more than once in a record	nonRepeatableField	Field is non-repeatable.
5	Authority	field	Non-Repeatable Required 1XX Field	Exactly one field from the 1XX group exists in a record	nonRepeatableRequired1XXField	Field 1XX is non-repeatable and required.
6	Authority/Bibliographic	field	Undefined Field	Field is not defined but exists in a record	undefinedField	Field is undefined.
7	Authority/Bibliographic	indicator	Invalid Indicator	Field contains specified indicators and codes but with invalid indicator in the record	invalidIndicator	Indicator must contain one character and can only accept numbers 0-9, letters a-z or a '#'.
8	Authority/Bibliographic	indicator	Undefined Indicator	Indicator code is not defined but exists in a record's field	undefinedIndicator	<<First and/or Second Indicator>> <<indicator code>> is undefined.
9	Authority/Bibliographic	subfield	Missing Subfield	Subfield is required but does not exist in a record's field	missingSubfield	Subfield <code> is required.
10	Authority/Bibliographic	subfield	Non-Repeatable Subfield	Subfield is non-repeatable but exists more than once in a record's field	nonRepeatableSubfield	Subfield <code> is non-repeatable.
11	Authority/Bibliographic	subfield	Undefined Subfield	Subfield is not defined but exists in a record's field	undefinedSubfield	Subfield <code> is undefined.