diff --git a/db/routines/vn/triggers/deviceProductionUser_beforeInsert.sql b/db/routines/vn/triggers/deviceProductionUser_beforeInsert.sql
index b392cf5a1d..e812387484 100644
--- a/db/routines/vn/triggers/deviceProductionUser_beforeInsert.sql
+++ b/db/routines/vn/triggers/deviceProductionUser_beforeInsert.sql
@@ -3,6 +3,20 @@ CREATE OR REPLACE DEFINER=`root`@`localhost` TRIGGER `vn`.`deviceProductionUser_
 	BEFORE INSERT ON `deviceProductionUser`
 	FOR EACH ROW
 BEGIN
-	SET NEW.editorFk = account.myUser_getId();
+	DECLARE vHasPda BOOLEAN;
+	DECLARE visFreelancer BOOLEAN;
+	DECLARE vUserName VARCHAR(50);
+	
+	SELECT COUNT(*) INTO vHasPda FROM deviceProductionUser WHERE userFk = NEW.userFk;
+
+	SELECT name INTO vUserName FROM account.user WHERE id = NEW.userFk; 
+
+	SELECT account.user_hasRoleId(vUserName, (SELECT id FROM role WHERE name = 'freelancer')) INTO vIsFreelancer;
+
+	IF NOT vIsFreelancer AND vHasPda THEN
+		CALL util.throw('You can only have one PDA');
+	ELSE
+		SET NEW.editorFk = account.myUser_getId();
+	END IF;
 END$$
 DELIMITER ;
diff --git a/db/routines/vn/triggers/deviceProductionUser_beforeUpdate.sql b/db/routines/vn/triggers/deviceProductionUser_beforeUpdate.sql
index 055f817909..9035418943 100644
--- a/db/routines/vn/triggers/deviceProductionUser_beforeUpdate.sql
+++ b/db/routines/vn/triggers/deviceProductionUser_beforeUpdate.sql
@@ -3,6 +3,20 @@ CREATE OR REPLACE DEFINER=`root`@`localhost` TRIGGER `vn`.`deviceProductionUser_
 	BEFORE UPDATE ON `deviceProductionUser`
 	FOR EACH ROW
 BEGIN
-	SET NEW.editorFk = account.myUser_getId();
+	DECLARE vHasPda BOOLEAN;
+	DECLARE visFreelancer BOOLEAN;
+	DECLARE vUserName VARCHAR(50);
+	
+	SELECT COUNT(*) INTO vHasPda FROM deviceProductionUser WHERE userFk = NEW.userFk;
+
+	SELECT name INTO vUserName FROM account.user WHERE id = NEW.userFk; 
+
+	SELECT account.user_hasRoleId(vUserName, (SELECT id FROM role WHERE name = 'freelancer')) INTO vIsFreelancer;
+
+	IF NOT vIsFreelancer AND vHasPda THEN
+		CALL util.throw('You can only have one PDA');
+	ELSE
+		SET NEW.editorFk = account.myUser_getId();
+	END IF;
 END$$
 DELIMITER ;
diff --git a/db/versions/10993-brownAsparagus/00-dropUniqueKey.sql b/db/versions/10993-brownAsparagus/00-dropUniqueKey.sql
new file mode 100644
index 0000000000..39bac86521
--- /dev/null
+++ b/db/versions/10993-brownAsparagus/00-dropUniqueKey.sql
@@ -0,0 +1,2 @@
+ALTER TABLE vn.deviceProductionUser DROP INDEX IF EXISTS deviceProductionUser_UN;
+