diff --git a/.gitignore b/.gitignore
index 9500b657..10ebda13 100644
--- a/.gitignore
+++ b/.gitignore
@@ -137,3 +137,4 @@ Desktop.ini
 # ESLint
 ######################
 .eslintcache
+/.environment
diff --git a/doc/hs-office-data-structure.md b/doc/hs-office-data-structure.md
new file mode 100644
index 00000000..3f9b5462
--- /dev/null
+++ b/doc/hs-office-data-structure.md
@@ -0,0 +1,8 @@
+```mermaid
+
+flowchart TB
+
+direction TB
+
+Relationship-->Person    
+```
diff --git a/src/test/java/net/hostsharing/hsadminng/hs/office/migration/ImportOfficeTables.java b/src/test/java/net/hostsharing/hsadminng/hs/office/migration/ImportOfficeTables.java
index c29a2c94..f5ea4489 100644
--- a/src/test/java/net/hostsharing/hsadminng/hs/office/migration/ImportOfficeTables.java
+++ b/src/test/java/net/hostsharing/hsadminng/hs/office/migration/ImportOfficeTables.java
@@ -18,6 +18,7 @@ import net.hostsharing.hsadminng.hs.office.partner.HsOfficePartnerDetailsEntity;
 import net.hostsharing.hsadminng.hs.office.partner.HsOfficePartnerEntity;
 import net.hostsharing.hsadminng.hs.office.person.HsOfficePersonEntity;
 import net.hostsharing.hsadminng.hs.office.person.HsOfficePersonType;
+import net.hostsharing.hsadminng.hs.office.relationship.HsOfficeRelationshipEntity;
 import net.hostsharing.hsadminng.hs.office.sepamandate.HsOfficeSepaMandateEntity;
 import net.hostsharing.test.JpaAttempt;
 import org.junit.jupiter.api.*;
@@ -89,7 +90,7 @@ import static org.assertj.core.api.Assertions.assertThat;
  *
  *   import-office-tables # comes from .aliases file
  */
-@Disabled
+//@Disabled
 @DataJpaTest(properties = {
         "spring.datasource.url=${HSADMINNG_POSTGRES_JDBC_URL:jdbc:tc:postgresql:15.5-bookworm:///spring_boot_testcontainers}",
         "spring.datasource.username=${HSADMINNG_POSTGRES_ADMIN_USERNAME:admin}",
@@ -110,6 +111,8 @@ public class ImportOfficeTables extends ContextBasedTest {
     private static NavigableMap<Integer, HsOfficePartnerEntity> partners = new TreeMap<>();
     private static NavigableMap<Integer, HsOfficeDebitorEntity> debitors = new TreeMap<>();
     private static NavigableMap<Integer, HsOfficeMembershipEntity> memberships = new TreeMap<>();
+
+    private static NavigableMap<Integer, HsOfficeRelationshipEntity> relationships = new TreeMap<>();
     private static NavigableMap<Integer, HsOfficeSepaMandateEntity> sepaMandates = new TreeMap<>();
     private static NavigableMap<Integer, HsOfficeBankAccountEntity> bankAccounts = new TreeMap<>();
     private static NavigableMap<Integer, HsOfficeCoopSharesTransactionEntity> coopShares = new TreeMap<>();
@@ -127,12 +130,6 @@ public class ImportOfficeTables extends ContextBasedTest {
     @MockBean
     HttpServletRequest request;
 
-    @Test
-    @Order(0)
-    void preconditions() {
-        assertThat(jdbcUrl).isEqualTo("jdbc:postgresql://localhost:5432/postgres");
-    }
-
     @Test
     @Order(1)
     void importBusinessPartners() {
@@ -492,7 +489,7 @@ public class ImportOfficeTables extends ContextBasedTest {
                             .debitorNumberSuffix((byte) 0)
                             .defaultPrefix(rec.getString("member_code").replace("hsh00-", ""))
                             .partner(partner)
-                            .billingContact(partner.getContact()) // TODO falsch
+                            //.billingContact(partner.getContact()) // TODO falsch
                             .billable(rec.isEmpty("free"))
                             .vatReverseCharge(rec.getBoolean("exempt_vat"))
                             .vatBusiness("GROSS".equals(rec.getString("indicator_vat"))) // TODO: remove