088  Report Number (R)

Record Type


Input Standards

Field (Full/Minimal)
Required if applicable/Optional
1st Indicator  Undefined
blank character Undefined
2nd Indicator  Undefined
blank character Undefined
Subfields (R=Repeatable  NR=Nonrepeatable) Input Standards (Full/Minimal)
ǂa Report number (NR) Mandatory/Mandatory
ǂz Canceled/invalid report number (R) Required if applicable/Required if applicable
ǂ6 Linkage (NR) System supplied/System supplied
ǂ8 Field link and sequence number (R) Optional/Optional


For technical reports, a report number that is not a Standard Technical Report Number (STRN). Use field 027 for standard report numbers formulated according to the STRN Standard, ANSI Z39.23-1983. Use field 088 for nonstandard report numbers.

If the report number is used as numbering associated with a series statement, enter the number in the appropriate series fields (field 490, the 8xx fields), as well as in field 088.

1st Indicator

Undefined. The 1st indicator position is undefined and contains a blank.

blank character


2nd Indicator

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

blank character



ǂa Report number

The report number.

088     STRATLAB-71-98
088     EPA-6001/2-76-224
088     NSF 80-61
500     "NSF 80-61"--Page 4 of cover
ǂz Canceled/invalid report number

Enter each canceled or invalid report number in a separate subfield ǂz. If no valid report number exists, enter only subfield ǂz.

088     ǂa NASA-RP-1124-REV-3 ǂz NASA-RP-1124-REV-2
[One report number has been canceled in favor of another]
088     ǂz NASA-TN-D-8008
[Report number is invalid because of an error in assignment or printing on the item]
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 indexing and searching information, see Searching WorldCat Indexes, field 088.


For more information, including content designator history, see MARC 21 Format for Bibliographic Data, field 088.