5xx Fields

Contents   Fixed field   Access points   0xx   1xx   2xx   3xx   4xx   5xx   6xx   7xx   8xx   9xx   Control subfields

516  Type of Computer File or Data Note (R)

Record Type


Input Standards

Field (Full/Minimal)
1st Indicator  Display constant controller
blank character Type of file
8 No display constant generated
2nd Indicator  Undefined
blank character Undefined
Subfields (R=Repeatable  NR=Nonrepeatable) Input Standards (Full/Minimal)
ǂa Type of computer file or data note (NR) Mandatory/Mandatory
ǂ6 Linkage (NR) System supplied/System supplied
ǂ8 Field link and sequence number (R) Optional/Optional


A note that characterizes the file. In addition to a general descriptor (e.g., computer program, numeric, or text), use field 516 for more specific information such as the form or genre of textual material (e.g., biography, dictionary, or index). Enter general file data in the fixed-field element File. Generally, do not use in records for online resources per the Provider-Neutral E-Resource MARC Record Guide: P-N/RDA Version.

For guidance on describing and encoding the attributes of audio recording carriers, see “Supplement 1” of the Music Library Association’s Supplements to Best Practices for Music Cataloging Using RDA and MARC21.

For information on punctuation, see the Punctuation section below.

1st Indicator

Display constant controller. A value that controls the generation of a display constant preceding the note.

blank character

Type of file. The value that generates the display constant Type of file:.


No display constant generated. The value that specifies that a display constant is not generated.

2nd Indicator

Undefined. The 2nd indicator position is undefined and contains a blank.

blank character



ǂa Type of computer file or data note

The entire text of the note.

File     b
516     Computer program
File     a
516     Numeric (Summary statistics)
File     d
516     Text (Law reports and digests)
File     d
516 8   Electronic serial in RTF format
File     c
516     Graphic file (Streaming video)
File     g
516     Game
File     m
516 8   Written in DBASE III+ format for data, and Windows bitmap format for graphic files
ǂ6 Linkage

Data that link fields when non-Latin script is entered. This subfield is system supplied and does not appear in OCLC online displays. Do not manually add subfield ǂ6. For more information about subfield ǂ6, see Control Subfields.

ǂ8 Field link and sequence number

For information about subfield ǂ8, see Control Subfields.


For records containing punctuation, follow these instructions:

  • Include incidental punctuation needed within any subfields, e.g., commas, periods (following abbreviations or initials), etc.
  • Optionally, add a terminal period at the end of the field unless the last subfield ends with an ellipsis or period (following an abbreviation or initial)
516     Numeric (Summary statistics).

For records containing minimal or no punctuation, include incidental punctuation needed within any subfields. Otherwise, omit the punctuation outlined above.

516     Numeric (Summary statistics)

For more information on punctuation, including OCLC policy, see section 2.8, Punctuation.


Field 516 is not indexed.


For more information, including content designator history, see MARC 21 Format for Bibliographic Data, field 516.

This page last revised: August 15, 2022