diff --git a/sql/v01/11.create.client.sql b/sql/v01/11.create.client.sql
index 1c25e15..025cb6f 100644
--- a/sql/v01/11.create.client.sql
+++ b/sql/v01/11.create.client.sql
@@ -93,6 +93,7 @@ CREATE TABLE member (
 
     lfbis_nr         TEXT             CHECK (lfbis_nr REGEXP '^[0-9]{7}$')               DEFAULT NULL,
     ustid_nr         TEXT             CHECK (ustid_nr REGEXP '^[A-Z]{2}[A-Z0-9]{2,12}$') DEFAULT NULL,
+    org_auth_code    TEXT             CHECK (org_auth_code REGEXP '^[A-Z]{2}-[A-ZÖØ]{3}-[0-9]{2,3}(-[A-Z]{2})?$') DEFAULT NULL,
     juridical_pers   INTEGER NOT NULL CHECK (juridical_pers IN (TRUE, FALSE))            DEFAULT FALSE,
     volllieferant    INTEGER NOT NULL CHECK (volllieferant  IN (TRUE, FALSE))            DEFAULT FALSE,
     buchführend      INTEGER NOT NULL CHECK (buchführend    IN (TRUE, FALSE))            DEFAULT FALSE,
diff --git a/sql/v01/99.schema_version.sql b/sql/v01/99.schema_version.sql
index 1df38e6..bece5ae 100644
--- a/sql/v01/99.schema_version.sql
+++ b/sql/v01/99.schema_version.sql
@@ -1,3 +1,3 @@
 
 -- This value MUST NOT be changed while other connections are open!
-PRAGMA schema_version = 4100;
+PRAGMA schema_version = 4200;