diff --git a/info.textgrid.middleware.tgauth.rbac/ldap-schemas/textgrid.schema b/info.textgrid.middleware.tgauth.rbac/ldap-schemas/textgrid.schema
index d06e76c278ffd6a507a5e3da4bc1f298fb44249d..1cd15ee557fc2a30a6f65fd6f06e16351fcf98a8 100644
--- a/info.textgrid.middleware.tgauth.rbac/ldap-schemas/textgrid.schema
+++ b/info.textgrid.middleware.tgauth.rbac/ldap-schemas/textgrid.schema
@@ -83,12 +83,26 @@ attributetype ( 1.3.6.1.4.1.10126.1.35.3.11
 
 attributetype ( 1.3.6.1.4.1.10126.1.35.3.12
         NAME 'TGuserSuppliedData'
-        DESC 'Flag if user supplied his personal data (name, mail) himself (set to FALSE if fetched from external source)'
+        DESC 'Flag if user supplied his personal data (name, mail) himself (set to FALSE if fetched from external authoritative source)'
         EQUALITY booleanMatch
         SINGLE-VALUE
         SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 )
 
 
+attributetype ( 1.3.6.1.4.1.10126.1.35.3.13
+	NAME 'TGfieldOfInterest'
+	DESC 'Optional specification of fields of research interests in conjuction with TextGrid'
+	EQUALITY caseIgnoreMatch
+	SUBSTR caseIgnoreSubstringsMatch
+	SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 )
+
+attributetype ( 1.3.6.1.4.1.10126.1.35.3.14
+	NAME 'TGidentifierForPerson'
+	DESC 'PND / URI for Person, e.g. http://xyz.org/~johndoe'
+	EQUALITY caseIgnoreMatch
+	SUBSTR caseIgnoreSubstringsMatch
+	SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 )
+
 
 objectclass ( 1.3.6.1.4.1.10126.1.35.4.1
 	NAME 'TextGridResource'
@@ -113,5 +127,5 @@ objectclass ( 1.3.6.1.4.1.10126.1.35.4.3
 	SUP top
 	AUXILIARY
 	MUST ( )
-	MAY ( TGWantsNewsletter $ TGagreeSearch $ TGuserSuppliedData ) )
+	MAY ( TGWantsNewsletter $ TGagreeSearch $ TGuserSuppliedData $ TGfieldOfInterest $ TGidentifierForPerson ) )