Union Catalogue

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Machine-Readable Accessions (MARA) Guidelines for Contribution to the National Union Catalogue

Appendix A: Required data elements

The full extent of required data elements for MARA reporting is listed below. All tags, indicator values, and subfield codes must conform to MARC 21 standards.

Records containing tags, indicator values, and/or subfield codes that do not conform to MARC 21 standards will typically be rejected during the conversion process, or while being loaded into AMICUS. When such records are not rejected, they create inaccurate data, duplicate headings, and/or duplicate records within AMICUS.

A.1 Leader and directory (000 and directory)

Tag	Requirement	Details
000	Mandatory	000 - Leader 000/05 (Record status) 000/06 (Type of record) 000/07 (Bibliographic level) 000/18 (Descriptive cataloguing form)
Directory	Mandatory	Record directory

A.2 Control fields (001-00X)

Tag	Requirement	Details
001	Mandatory	001 - Bibliographic Record Control Number
007	Essential	007 - Physical Description Fixed Field
008	Mandatory	008 - Fixed-length Data Elements (All) 008/7-10 (Date 1) A specific date must be supplied; fill characters should not be used 008/15-17 (Place of publication, production or execution) For Canadian imprints, the minimum code "xxc" is essential 008/23 or 008/29 (Form of item) (11) A specific code must be supplied; a fill character should not be used 008/39 (Cataloguing source) If the source is not known, supply code "d"

A.3 Number and code fields (01X-04X)

Tag	Requirement	Details
010	Essential	010 - Library of Congress Control Number
016	Essential	016 - National Library of Canada Record Control Number
020	Essential	020 - International Standard Book Number
022	Essential	022 - International Standard Serial Number
034	Essential	034 - Coded Cartographic Mathematical Data
040	Mandatory	040 - Cataloguing Source
	Mandatory	$a - Original cataloguing agency
	Mandatory	$b - Code for language of cataloguing
	Essential	$c - Transcribing agency
041	Essential	041 - Language Code Essential only for multilingual works

A.4 Main entry fields (1XX)

Tag	Requirement	Details
100	Essential	100 - Main Entry Heading - Personal Name
110	Essential	110 - Main Entry Heading - Corporate Name
111	Essential	111 - Main Entry Heading - Conference or Meeting Name
130	Essential	130 - Main Entry Heading - Uniform Title

A.5 Title and title-related fields (20X-24X)

Tag	Requirement	Details
245	Mandatory	245 - Title Statement
	Mandatory	$a - Title
	Essential	$b - Remainder of title
	Essential	$h - General material designation
246	Essential	246 - Variant Forms of Title

A.6 Edition, imprint, etc. fields (250-270)

Tag	Requirement	Details
250	Essential	250 - Edition Statement
255	Essential	255 - Cartographic Mathematical Data
260	Mandatory	260 - Publication, Distribution, etc. (Imprint)

A.7 Physical description, etc. fields (3XX)

Tag	Requirement	Details
300	Mandatory	300 - Physical Description
362	Essential	362 - Dates of Publication and/or Volume Designation Do not use this tag to record local holdings

A.8 Note fields (50X-58X)

Tag	Requirement	Details
502	Essential	502 - Dissertation Note
515	Essential	515 - Numbering Peculiarities Note
533	Essential	533 - Reproduction Note
534	Essential	534 - Original Version Note
580	Essential	580 - Linking Entry Complexity Note

A.9 Added entry fields (70X-75X)

Tag	Requirement	Details
700	Essential	700 - Added Entry - Personal Name
710	Essential	710 - Added Entry - Corporate Name
711	Essential	711 - Added Entry - Conference or Meeting Name
730	Essential	730 - Added Entry - Uniform Title Heading
740	Essential	740 - Added Entry - Uncontrolled, Related or Analytical Title
752	Optional/Mandatory	752 - Added Entry - Hierarchical Place Name Mandatory for newspapers only

A.10 Linking entry fields (76X-78X)

Tag	Requirement	Details
780	Essential	780 - Preceding Entry Essential if applicable for continuing resources
785	Essential	785 - Succeeding Entry Essential if applicable for continuing resources

A.11 Locations and holdings statements (850 - Monographs)

For further information on the subfield codes used in tag 850, please see "Appendix B: Notes on 850 subfield codes".

Tag	Requirement	Details
850	Mandatory	850 - Locations and holdings statement
	Mandatory	First indicator
	Essential	0 - Not a multi-volume work
	Essential	1 - A multi-volume work where all volumes are held or intended to be held
	Essential	2 - Part of a multi-volume work
	Mandatory	Second indicator (12)
	Essential	0 - Not for interlibrary loan
	Essential	1 - For interlibrary loan
	Mandatory	$a - Library symbol
	Essential	$b - Volumes held
	Optional	$m - Local call number
	Optional	$p - Local system control number

A.12 Locations and holdings statements (850 - Continuing resources)

For further information on the subfield codes used in tag 850, please see "Appendix B: Notes on 850 subfield codes".

Tag	Requirement	Details
850	Mandatory	850 - Locations and holdings statement
	Mandatory	First indicator
	Essential	0 - Non-formatted statement
	Essential	1 - Semi-formatted statement
	Mandatory	Second indicator
	Essential	0 - Currently received
	Essential	1 - Not currently received
	Essential	2 - Unknown
	Mandatory	$a - Library symbol
	Essential	Essential $b - Volumes/issues held (R)
	Essential	$c - Non-formatted holdings
	Essential	$d - Inclusive dates (R)
	Essential	$e - Retention statement
	Optional	$g - Volumes/issues lacking (R)
	Optional	$h - Dates lacking (R)
	Optional	$k - Indexes
	Optional	$m - Local call number
	Optional	$n - Copy number
	Optional	$p - Local system control number
	Optional	$q - Remarks
	Optional	$x - Branch
	Optional	$y - Branch sublocation

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