diff --git a/messages/uniworx/categories/qualification/de-de-formal.msg b/messages/uniworx/categories/qualification/de-de-formal.msg
index 90bae767b..d4211562f 100644
--- a/messages/uniworx/categories/qualification/de-de-formal.msg
+++ b/messages/uniworx/categories/qualification/de-de-formal.msg
@@ -13,7 +13,10 @@ QualificationElearningStart: E-Learning automatisch starten
 TableQualificationCountActive: Aktive
 TableQualificationCountActiveTooltip: Anzahl Personen mit momentan gültiger Qualifikation
 TableQualificationCountTotal: Gesamt
-TableQualificationSapExport: Übermittlung SAP
+TableQualificationIsAvsLicence: AVS
+TableQualificationIsAvsLicenceTooltip: Wird die Qualifikation mit dem AVS synchronisiert? Wenn ja, als welche Qualifikation? Betrifft nur Benutzer mit AVS PersonenID.
+TableQualificationSapExport: SAP
+TableQualificationSapExportTooltip: Wird die Qualifikation an SAP übermittelt? Betrifft nur Benutzer mit Fraport Personalnummer.
 LmsQualificationValidUntil: Gültig bis
 TableQualificationLastRefresh: Zuletzt erneuert
 TableQualificationFirstHeld: Erstmalig
diff --git a/messages/uniworx/categories/qualification/en-eu.msg b/messages/uniworx/categories/qualification/en-eu.msg
index e08692dc9..51aa90ba7 100644
--- a/messages/uniworx/categories/qualification/en-eu.msg
+++ b/messages/uniworx/categories/qualification/en-eu.msg
@@ -13,7 +13,10 @@ QualificationElearningStart: Start e-learning automatically
 TableQualificationCountActive: Active
 TableQualificationCountActiveTooltip: Number of currently valid qualification holders
 TableQualificationCountTotal: Total
+TableQualificationIsAvsLicence: AVS Driving License
+TableQualificationIsAvsLicenceTooltip: Is this Qualification synchronized with AVS? Only applies to qualification holders having an AVS PersonID.
 TableQualificationSapExport: Sent to SAP
+TableQualificationSapExportTooltip: Is this Qualification transmitted to SAP? Only applies to qualification holder having a Fraport Personnelnumber.
 LmsQualificationValidUntil: Valid until
 TableQualificationLastRefresh: Last renewed
 TableQualificationFirstHeld: First held
diff --git a/models/lms.model b/models/lms.model
index fe7213bdd..4c8ae02ee 100644
--- a/models/lms.model
+++ b/models/lms.model
@@ -19,7 +19,9 @@ Qualification
   sapId               Text Maybe                -- if set, all QualificationUsers with userCompanyPersonalNumber are transmitted via SAP interface under this id
   SchoolQualificationShort school shorthand            -- must be unique per school and shorthand
   SchoolQualificationName  school name                 -- must be unique per school and name
-  UniqueQualificationAvsLicence avsLicence             -- across all schools, only one qualification may be a driving licence
+  -- across all schools, only one qualification may be a driving licence:
+  UniqueQualificationAvsLicence avsLicence      !force
+    -- NOTE: two NULL values are not equal for the purpose of Uniqueness constraints!
   deriving Generic
 
 -- TODOs:
diff --git a/src/Handler/LMS.hs b/src/Handler/LMS.hs
index 5c5c7a191..6722a3ac8 100644
--- a/src/Handler/LMS.hs
+++ b/src/Handler/LMS.hs
@@ -136,11 +136,14 @@ mkLmsAllTable = do
           -- , sortable Nothing (i18nCell MsgQualificationRefreshWithin)   $ foldMap textCell . view (resultAllQualification . _qualificationRefreshWithin . to formatCalendarDiffDays) -- does not work, since there is a maybe in between
           , sortable (Just "qelearning") (i18nCell MsgTableLmsElearning & cellTooltip MsgQualificationElearningStart)
                                                                         $ tickmarkCell . view (resultAllQualification . _qualificationElearningStart)
-          , sortable Nothing (i18nCell MsgTableQualificationSapExport)  $ \(view (resultAllQualification . _qualificationSapId) -> sapid) -> tickmarkCell $ isJust sapid
+          , sortable Nothing (i18nCell MsgTableQualificationIsAvsLicence & cellTooltip MsgTableQualificationIsAvsLicenceTooltip) 
+                  $ \(view (resultAllQualification . _qualificationAvsLicence) -> licence) -> maybeCell licence $ textCell . T.singleton . licence2char
+          , sortable Nothing (i18nCell MsgTableQualificationSapExport & cellTooltip MsgTableQualificationSapExportTooltip)  
+                  $ \(view (resultAllQualification . _qualificationSapId) -> sapid) -> tickmarkCell $ isJust sapid
           , sortable Nothing (i18nCell MsgTableQualificationCountActive & cellTooltip MsgTableQualificationCountActiveTooltip)
-                                                                        $ \(view resultAllQualificationActive -> n) -> wgtCell $ word2widget n
+                  $ \(view resultAllQualificationActive -> n) -> wgtCell $ word2widget n
           , sortable Nothing (i18nCell MsgTableQualificationCountTotal) $ wgtCell . word2widget . view resultAllQualificationTotal
-                                                                       -- \(view resultAllQualificationTotal  -> n) -> wgtCell $ word2widget n
+                                                                        -- \(view resultAllQualificationTotal  -> n) -> wgtCell $ word2widget n
           ]
         dbtSorting = mconcat
           [
diff --git a/src/Handler/Utils/Avs.hs b/src/Handler/Utils/Avs.hs
index 12654469d..99b8bdf38 100644
--- a/src/Handler/Utils/Avs.hs
+++ b/src/Handler/Utils/Avs.hs
@@ -4,6 +4,8 @@
 
 {-# LANGUAGE TypeApplications #-}
 
+{-# OPTIONS_GHC -fno-warn-unused-imports #-}
+
 module Handler.Utils.Avs
   ( upsertAvsUser, upsertAvsUserById, upsertAvsUserByCard
   , getLicence, getLicenceDB
diff --git a/src/Model/Types/Avs.hs b/src/Model/Types/Avs.hs
index e62771ad4..6e3549cfe 100644
--- a/src/Model/Types/Avs.hs
+++ b/src/Model/Types/Avs.hs
@@ -166,7 +166,7 @@ discernAvsIds someid = aux someid
 
 
 data AvsLicence = AvsNoLicence | AvsLicenceVorfeld | AvsLicenceRollfeld
-  deriving (Bounded, Enum, Eq, Ord, Read, Show, Generic, Typeable, Finite, Universe)
+  deriving (Bounded, Enum, Eq, Ord, Read, Show, Generic, Typeable, Finite, Universe, NFData)
 
 instance ToJSON AvsLicence where
     -- toJSON al = Number $ fromEnum AvsLicence -- would do, but...