diff --git a/VBXX/vbxx.sql b/VBXX/vbxx.sql
index 12e51ccb2..0b9609710 100644
--- a/VBXX/vbxx.sql
+++ b/VBXX/vbxx.sql
@@ -357,14 +357,33 @@ AS
    AS
      v_regio_key NUMBER;
    BEGIN
-      SELECT alg_regio_key
+      SELECT MIN(d.alg_regio_key)
         INTO v_regio_key
         FROM fin_factuur f, mld_opdr o, mld_melding m, alg_locatie l, alg_district d
        WHERE     f.fin_factuur_key = p_fin_key
              AND f.mld_opdr_key = o.mld_opdr_key
              AND o.mld_melding_key = m.mld_melding_key
              AND m.mld_alg_locatie_key = l.alg_locatie_key
-             AND l.alg_district_key = d.alg_regio_key;
+             AND l.alg_district_key = d.alg_district_key;
+      IF v_regio_key IS NOT NULL 
+      THEN 
+         RETURN v_regio_key;
+      END IF;
+
+      SELECT MIN (alg_regio_key)
+        INTO v_regio_key
+        FROM fin_factuur          f,
+             cnt_contract_plaats  cp,
+             alg_locatie          l,
+             alg_district         d
+       WHERE     f.fin_factuur_key = p_fin_key
+             AND f.cnt_contract_key = cp.cnt_contract_key
+             AND (       cp.cnt_alg_plaats_code = 'G'
+                     AND cp.cnt_alg_plaats_key IN (SELECT alg_gebouw_key
+                                                     FROM alg_gebouw g
+                                                    WHERE g.alg_locatie_key = l.alg_locatie_key)
+                  OR (cp.cnt_alg_plaats_code = 'L' AND cp.cnt_alg_plaats_key = l.alg_locatie_key))
+             AND l.alg_district_key = d.alg_district_key;
       RETURN v_regio_key;
    END;