diff --git a/PCHD/pchd.sql b/PCHD/pchd.sql
index ea7a91a42..cee542061 100644
--- a/PCHD/pchd.sql
+++ b/PCHD/pchd.sql
@@ -757,6 +757,7 @@ IS
    IS
       SELECT UPPER(prs_perslid_wm) prs_perslid_wm
       FROM pchd_imp_prs
+	  WHERE prs_perslid_wm IS NOT NULL
       GROUP BY UPPER (prs_perslid_wm);
 
    --Bepalen alle organisaties in het import bestand.
@@ -764,6 +765,7 @@ IS
    IS
       SELECT UPPER (prs_perslid_organisation) prs_perslid_organisation, UPPER (prs_perslid_companycode) prs_perslid_companycode, UPPER (prs_perslid_wm) prs_perslid_wm
       FROM pchd_imp_prs
+	  WHERE prs_perslid_organisation IS NOT NULL AND prs_perslid_wm IS NOT NULL
       GROUP BY UPPER (prs_perslid_organisation), UPPER (prs_perslid_companycode), UPPER (prs_perslid_wm);
 
    --Bepalen alle afdeling omschrijvingen in het import bestand.
@@ -771,6 +773,7 @@ IS
    IS
       SELECT UPPER(prs_afdeling_naam) prs_afdeling_naam, UPPER (prs_perslid_organisation) prs_perslid_organisation, UPPER (prs_perslid_wm) prs_perslid_wm
       FROM pchd_imp_prs
+	  WHERE prs_perslid_organisation IS NOT NULL AND prs_perslid_wm IS NOT NULL AND prs_afdeling_naam IS NOT NULL
       GROUP BY UPPER(prs_afdeling_naam), UPPER (prs_perslid_organisation), UPPER (prs_perslid_wm);
 
    CURSOR cperslid