diff --git a/etc/zebradb/biblios/etc/bib1.att b/etc/zebradb/biblios/etc/bib1.att
index eac42666a5..6b8ea58392 100644
--- a/etc/zebradb/biblios/etc/bib1.att
+++ b/etc/zebradb/biblios/etc/bib1.att
@@ -118,6 +118,7 @@ att 9008    cn-item
 att 9009    cn-prefix
 att 9010    cn-suffix
 att 9011    Suppress
+att 9012    Identifier-other
 
 # Items Index
 att 8001    withdrawn
diff --git a/etc/zebradb/ccl.properties b/etc/zebradb/ccl.properties
index 817595a431..2378c79a77 100644
--- a/etc/zebradb/ccl.properties
+++ b/etc/zebradb/ccl.properties
@@ -313,8 +313,8 @@ ctype Content-type
 #Control number-LC       9  Character string that uniquely  010, 011
 #                           identifies a record in the
 #                           Library of Congress database.
-#LC-card-number 1=9
-#lc-card LC-card-number
+LC-card-number 1=9
+lc-card LC-card-number
 
 #Control number-local   12  Character string that uniquely  001, 035
 #                           identifies a record in a local
@@ -937,6 +937,7 @@ cn-item 1=9008
 cn-prefix 1=9009
 cn-suffix 1=9010
 Suppress 1=9011
+id-other 1=9012
 date-entered-on-file 1=date-entered-on-file
 extent 1=Extent
 llength 1=llength
diff --git a/etc/zebradb/marc_defs/marc21/biblios/record.abs b/etc/zebradb/marc_defs/marc21/biblios/record.abs
index 31cf56dd7d..d78a649959 100644
--- a/etc/zebradb/marc_defs/marc21/biblios/record.abs
+++ b/etc/zebradb/marc_defs/marc21/biblios/record.abs
@@ -52,10 +52,11 @@ melm 015        BNB-card-number,BGF-number,Number-db,Number-natl-biblio,Identifi
 melm 017        Number-legal-deposit,Identifier-standard
 melm 018        Identifier-standard
 melm 020$a      ISBN:w,Identifier-standard:w
-melm 020        ISBN,Identifier-standard
-melm 022$a      ISSN:w,ISBN:w
-melm 022        ISSN,Identifier-standard
+melm 020        Identifier-standard
+melm 022$a      ISSN:w,Identifier-standard:w
+melm 022        Identifier-standard
 melm 023        Identifier-standard
+melm 024$a      Identifier-other
 melm 024        Identifier-standard
 melm 025        Identifier-standard
 melm 027        Report-number,Identifier-standard