MARC Validation Rules - Definition and Acceptable values

Field

Validation Rules Field	Definition or Example	Acceptable or default values

Validation Rules Field	Definition or Example	Acceptable or default values
Field/Tag number	500	No change from current requirement. Must be 3 numbers only No symbols, alphabet. Just numbers. Exception is Leader Field types: https://folio-org.atlassian.net/wiki/spaces/FOLIJET/pages/1407631#MARCvalidation-Logic-TypesofMARCfields https://folio-org.atlassian.net/wiki/spaces/MM/pages/4668118
Field name	General Note	Any value up to 350 characters Required field System-level field and Non-Local field MARC bib specification MARC authority specification Local field: No default
Required/Optional	If set to required then field must be present to save record.	Non-local field default: Optional Local field default: Optional
Repeatable/Non-repeatable		Non-Local default MARC bib specification MARC authority specification Local default: Repeatable
Field help URL	URL that directs user to details about the field. Example 1: https://www.loc.gov/marc/bibliographic/bd066.html Example 2: https://web.library.yale.edu/cataloging/590_notes Example 3: https://www.loc.gov/marc/authority/ad100.html	Must be a URL with a http or https protocol specified Only one URL per field Same URL can be used for multiple fields Can be blank as it is not required. System-level and Non-local Default MARC bib help URL: <https://www.loc.gov/marc/bibliographic/bd<<fieldnumber>>>.html System-level and Non-local Default MARC authority help URL: <https://www.loc.gov/marc/authority/ad<<fieldnumber>>>.html Local Default MARC bib/authority help URL: blank

Indicator

Validation	Definition or Example	Acceptable values or default values

Validation	Definition or Example	Acceptable values or default values
First indicator (aka Ind 1) name	MARC bib field/tag 336- First Indicator name `Title added entry`	Character limit - 350 System-level and Non-Local name default: MARC bib specification MARC authority specification Local name default : First - Undefined
First indicator (aka Ind 1) code and code name	MARC bib field 245 - First Indicator codes and code names `0 - No added entry 1 - Added entry`	Code: One character Name character limit = 350 System-level and Non-Local code and name default MARC bib specification MARC authority specification Local indicator code and name default: \ - Undefined
Second indicator (aka Ind 2) name	MARC bib field/tag 247- Second Indicator name `Second - Note controller`	Character limit - 350 System-level and Non-Local name default: MARC bib specification MARC authority specification Local name default : Second - Undefined \
Second indicator (aka Ind 2) code and code name	MARC bib field 247 - Second Indicator codes and code names `0 - Display note 1 - Do not display note`	Code: One character Name character limit = 350 System-level and Non-Local indicator code and name default: MARC bib specification MARC authority specification Local indicator code and name default: \ - Undefined

Subfield

Validation	Definition or Example	Acceptable value or default value

Validation

Definition or Example

Acceptable value or default value

Subfield code and subfield code name

MARC bib field 247 - subfield code and code name

$a - Publishers' compressed title identification

Subfield code: one character
Subfield name: 350 characters
System-level and Non-Local default
- MARC bib specification
- MARC authority specification
Local default: $a - Local subfield

Subfield code required/optional

System-level and Non-Local default: optional
Local default: optional

Subfield code repeatable/non-repeatable

System-level and Non-Local default:
- MARC bib specification
- MARC authority specification
Local default: repeatable