A-Codes and Authority Vendors

Authority Records Fixed Length Codes

ACODE1

The ACODE default value is hyphen (-). Code ACODE1 value “b” to identify authority records containing blind references which should be retained.

ACODE2

‚ÄčThe following values are defined for ACODE2 to identify authority records to be transmitted to the authority vendor. An authority record coded with one of these values in ACODE2 and no value in ASUPPRESS will be sent to the vendor as an "add" record. An authority record coded with one of these values and a "d" in ASUPRESS will be sent to the vendor as a "delete" record. Records with no value, or with “-“ in the ACODE2 will not be sent to the vendor. See Exporting Authority Records to Authority Vendor.

Code Definition Notes
- no value  
a LC name Add: Code only when the new OCLC authority record being downloaded is not replacing an existing LC record.
Delete: Code in combination with ASUPRESS d.
d LC subjects (topical, geographical and names used as subjects) Add: Code only when the new OCLC authority record being downloaded is not replacing an existing LC record.
Delete: Code in combination with ASUPRESS d
k LC Children’s subjects Add: Code only when the new OCLC authority record being downloaded is not replacing an existing LC record.
Delete: Code in combination with ASUPRESS d.
m MESH subject Add records are not sent to authority vendor. Code only in combination with ASUPRESS d to delete a record from the vendor history files.
n Local name Add records are not sent to authority vendor. Code only in combination with ASUPRESS d to delete a record from the vendor history files.
s Local subject (topical, geographical, and names used as subjects) Add: Code when an original authority record is keyed into Innopac.
Delete: Code in combination with ASUPRESS d
t LC title (130) Add: Code only when the new OCLC authority record being downloaded is not replacing an existing LC record.
Delete: Code in combination with ASUPRESS d
u Local title (130) Add: Code only when the new OCLC authority record being downloaded is not replacing an existing LC record.
Delete: Code in combination with ASUPRESS d.

ASUPRESS

‚ÄčThe following values are defined for ASUPRESS to identify authority records to be suppressed from public display and/or to be deleted from the authority files after they have been transmitted to authority vendor as deletes. See Exporting Authority Records to Authority Vendor

Code Definition Notes
- Not suppressed  
d

Suppress from public display, send to authority vendor as delete, MCO delete record

Do not use for duplicate deletion or for LC records replaced by LC records
n Keep record, suppress from public display.  

 

Exporting Authority Records to Authority Vendor

The authority vendor requires separate files to update their history files and Notification Service. Combinations of ACODE2 and ASUPRESS identify the records. Based on the code combinations MOBIUS will extract and transmit authority records to the authority vendor.

MOBIUS will create a master file of records with a value in ACODE2 not equal to -. MOBIUS will extract fifteen files from the master file and transmit them to the authority vendor.

Authority Type ACODE2 Value ASUPPRESS Value
LC Name ADDS a - or n
LC Name DELETES a d
LC Subject ADDS d - or n
LC Subject DELETES d d
LC Children's Subject ADDS k - or n
LC Children's Subject DELETES k d
MeSH ADDS m - or n
MeSH DELETES m d
Local Name ADDS n - or n
Local Name DELETES n d
Local Subject ADDS s - or n
Local Subject DELETES s d
LC Title ADDS t - or n
LC Title DELETES t d
Local Title ADDS u - or n
Local Title DELETES u d

After the files are transmitted to the vendor:

  1. All records coded ASUPRESS d will be deleted from the authority files. 
  2. All remaining records will be reset to ACODE2 -