028 Publisher or Distributor Number

Field definition and scope:

Field 028 contains a formatted number used for sound recordings, printed music, other music-related materials, and video recordings. Publisher's and distributor's numbers that are given in an unformatted form are recorded in field 500 (General Note). A print constant identifying the kind of publisher or distributor number may be generated based on the value in the first indicator position. Field 028 is repeatable for multiple numbers associated with an item.

Numbers that are identified as stock numbers are recorded in field 037 (Source of Acquisition).

The National level record requirement for this field is Mandatory if applicable.

Field 028 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 028	Publisher or Distributor Number	A	A	R
Indicator:
First	Type of number	M
0	Issue number	A
1	Matrix number	A
2	Plate number	A
3	Other music publisher number	A
4	Video recording publisher number	A
5	Other publisher number	A
6	Distributor number	A

Second	Note/added entry controller	M
0	No note, no added entry	A
1	Note, added entry	A
2	Note, no added entry	A
3	No note, added entry	A

Subfield code:
$a	Publisher or distributor number	M	M	NR
$b	Source	M	M	NR
$q	Qualifying information			R
$6	Linkage	A	A	NR
$8	Field link and sequence number	O	O	R

Input conventions:

Punctuation

Display constants

Content designator history:

Field 028 - Publisher Number [redefined, 2016]: Field 028 was renamed and redefined to include distributor numbers.

First Indicator - Type of publisher number [renamed, 2016]

Values 1 - Matrix number [changed, 2016]: The following instruction was removed from the definition of indicator value 1: "Use as an identifying number when the item has no issue or label number."

3 - Other music number [renamed, 2016]

4 - Videorecording number [renamed, 2016]

6 - Distributor number [new, 2016]

Second Indicator [CAN/MARC only]

Values 0 - Print a note [redefined, 1997]

1 - Do not print a note [redefined, 1997]

Subfield $a - Publisher number [renamed, 2016]

Subfield $b - Source [redescribed, 2016]: Changed to include distributor numbers.

Subfield $q - Qualifying information [new, 2012]