diff --git a/app/services/imports/case_logs_import_service.rb b/app/services/imports/case_logs_import_service.rb
index 123cacc93..b3edab25b 100644
--- a/app/services/imports/case_logs_import_service.rb
+++ b/app/services/imports/case_logs_import_service.rb
@@ -47,8 +47,8 @@ module Imports
       # Required fields for status complete or logic to work
       # Note: order matters when we derive from previous values (attributes parameter)
       attributes["startdate"] = compose_date(xml_doc, "DAY", "MONTH", "YEAR")
-      attributes["owning_organisation_id"] = find_organisation_id(xml_doc, "OWNINGORGID", "OWNINGORGNAME", "HCNUM")
-      attributes["managing_organisation_id"] = find_organisation_id(xml_doc, "MANINGORGID", "MANINGORGNAME", "MANHCNUM")
+      attributes["owning_organisation_id"] = find_organisation_id(xml_doc, "OWNINGORGID")
+      attributes["managing_organisation_id"] = find_organisation_id(xml_doc, "MANINGORGID")
       attributes["joint"] = unsafe_string_as_integer(xml_doc, "joint")
       attributes["startertenancy"] = unsafe_string_as_integer(xml_doc, "_2a")
       attributes["tenancy"] = unsafe_string_as_integer(xml_doc, "Q2b")
@@ -306,23 +306,13 @@ module Imports
       end
     end
 
-    def find_organisation_id(xml_doc, id_field, name_field, reg_field)
+    def find_organisation_id(xml_doc, id_field)
       old_visible_id = unsafe_string_as_integer(xml_doc, id_field)
       organisation = Organisation.find_by(old_visible_id:)
       # Quick hack: should be removed when all organisations are imported
       # Will fail in the future if the organisation is missing
       if organisation.nil?
-        organisation = Organisation.new
-        organisation.old_visible_id = old_visible_id
-        let_type = unsafe_string_as_integer(xml_doc, "landlord")
-        organisation.provider_type = if let_type == PRP_LA[:local_authority]
-                                       1
-                                     else
-                                       2
-                                     end
-        organisation.name = string_or_nil(xml_doc, name_field)
-        organisation.housing_registration_no = string_or_nil(xml_doc, reg_field)
-        organisation.save!
+        raise "Organisation not found with legacy ID #{old_visible_id}"
       end
       organisation.id
     end
diff --git a/spec/fixtures/softwire_imports/case_logs/00d2343e-d5fa-4c89-8400-ec3854b0f2b4.xml b/spec/fixtures/softwire_imports/case_logs/00d2343e-d5fa-4c89-8400-ec3854b0f2b4.xml
index f5a5c87e4..e9835d1e1 100644
--- a/spec/fixtures/softwire_imports/case_logs/00d2343e-d5fa-4c89-8400-ec3854b0f2b4.xml
+++ b/spec/fixtures/softwire_imports/case_logs/00d2343e-d5fa-4c89-8400-ec3854b0f2b4.xml
@@ -3,8 +3,8 @@
     <meta:form-name>2022-CORE-SR-GN</meta:form-name>
     <meta:document-id>00d2343e-d5fa-4c89-8400-ec3854b0f2b4</meta:document-id>
     <meta:owner-user-id>c3061a2e6ea0b702e6f6210d5c52d2a92612d2aa</meta:owner-user-id>
-    <meta:owner-institution-id>35459cb12d312a472d8585b97b865917e8f2144e</meta:owner-institution-id>
-    <meta:managing-institution-id>35459cb12d312a472d8585b97b865917e8f2144e</meta:managing-institution-id>
+    <meta:owner-institution-id>7c5bd5fb549c09a2c55d7cb90d7ba84927e64618</meta:owner-institution-id>
+    <meta:managing-institution-id>7c5bd5fb549c09a2c55d7cb90d7ba84927e64618</meta:managing-institution-id>
     <meta:created-date>2022-04-14T16:01:30.369241Z</meta:created-date>
     <meta:modified-date>2022-04-14T16:01:30.369241Z</meta:modified-date>
     <meta:status>submitted-valid</meta:status>
@@ -407,13 +407,13 @@
     <PLOACODE/>
     <OACODE/>
     <GOVREG>E12000001</GOVREG>
-    <OWNINGORGID>107178</OWNINGORGID>
-    <OWNINGORGNAME>Believe Housing Ltd.</OWNINGORGNAME>
-    <MANINGORGNAME>Believe Housing Ltd.</MANINGORGNAME>
-    <HCNUM>8076</HCNUM>
-    <MANHCNUM>8076</MANHCNUM>
+    <OWNINGORGID>1</OWNINGORGID>
+    <OWNINGORGNAME>DLUHC</OWNINGORGNAME>
+    <MANINGORGNAME>DLUHC</MANINGORGNAME>
+    <HCNUM>655</HCNUM>
+    <MANHCNUM>655</MANHCNUM>
     <LAHA/>
-    <MANINGORGID>107178</MANINGORGID>
+    <MANINGORGID>1</MANINGORGID>
     <HBTYPE1/>
     <HBTYPE2/>
     <HBTYPE3>3</HBTYPE3>
diff --git a/spec/fixtures/softwire_imports/case_logs/0ead17cb-1668-442d-898c-0d52879ff592.xml b/spec/fixtures/softwire_imports/case_logs/0ead17cb-1668-442d-898c-0d52879ff592.xml
index d34952c31..8413abb7e 100644
--- a/spec/fixtures/softwire_imports/case_logs/0ead17cb-1668-442d-898c-0d52879ff592.xml
+++ b/spec/fixtures/softwire_imports/case_logs/0ead17cb-1668-442d-898c-0d52879ff592.xml
@@ -431,13 +431,13 @@
     <PLOACODE/>
     <OACODE/>
     <GOVREG>E12000003</GOVREG>
-    <OWNINGORGID>1034</OWNINGORGID>
-    <OWNINGORGNAME>LEEDS &amp; YORKSHIRE HA Ltd</OWNINGORGNAME>
-    <MANINGORGNAME>LEEDS &amp; YORKSHIRE HA Ltd</MANINGORGNAME>
-    <HCNUM>LH0704</HCNUM>
-    <MANHCNUM>LH0704</MANHCNUM>
+    <OWNINGORGID>1</OWNINGORGID>
+    <OWNINGORGNAME>DLUHC</OWNINGORGNAME>
+    <MANINGORGNAME>DLUHC</MANINGORGNAME>
+    <HCNUM>655</HCNUM>
+    <MANHCNUM>655</MANHCNUM>
     <LAHA/>
-    <MANINGORGID>1034</MANINGORGID>
+    <MANINGORGID>1</MANINGORGID>
     <HBTYPE1/>
     <HBTYPE2/>
     <HBTYPE3/>
diff --git a/spec/fixtures/softwire_imports/case_logs/166fc004-392e-47a8-acb8-1c018734882b.xml b/spec/fixtures/softwire_imports/case_logs/166fc004-392e-47a8-acb8-1c018734882b.xml
index bb351d7e7..631f41cae 100644
--- a/spec/fixtures/softwire_imports/case_logs/166fc004-392e-47a8-acb8-1c018734882b.xml
+++ b/spec/fixtures/softwire_imports/case_logs/166fc004-392e-47a8-acb8-1c018734882b.xml
@@ -3,8 +3,8 @@
     <meta:form-name>2021-CORE-IR-GN</meta:form-name>
     <meta:document-id>166fc004-392e-47a8-acb8-1c018734882b</meta:document-id>
     <meta:owner-user-id>e29c492473446dca4d50224f2bb7cf965a261d6f</meta:owner-user-id>
-    <meta:owner-institution-id>26139d1be7a44ebb1af23d3f8882c14025e9903c</meta:owner-institution-id>
-    <meta:managing-institution-id>26139d1be7a44ebb1af23d3f8882c14025e9903c</meta:managing-institution-id>
+    <meta:owner-institution-id>7c5bd5fb549c09a2c55d7cb90d7ba84927e64618</meta:owner-institution-id>
+    <meta:managing-institution-id>7c5bd5fb549c09a2c55d7cb90d7ba84927e64618</meta:managing-institution-id>
     <meta:created-date>2022-04-12T14:10:59.953121Z</meta:created-date>
     <meta:modified-date>2022-04-12T14:10:59.953121Z</meta:modified-date>
     <meta:status>submitted-valid</meta:status>
@@ -411,13 +411,13 @@
     <PLOACODE/>
     <OACODE/>
     <GOVREG>E12000008</GOVREG>
-    <OWNINGORGID>107138</OWNINGORGID>
-    <OWNINGORGNAME>1 Test</OWNINGORGNAME>
-    <MANINGORGNAME>1 Test</MANINGORGNAME>
+    <OWNINGORGID>1</OWNINGORGID>
+    <OWNINGORGNAME>DLUHC</OWNINGORGNAME>
+    <MANINGORGNAME>DLUHC</MANINGORGNAME>
     <HCNUM>655</HCNUM>
     <MANHCNUM>655</MANHCNUM>
     <LAHA/>
-    <MANINGORGID>107138</MANINGORGID>
+    <MANINGORGID>1</MANINGORGID>
     <HBTYPE1/>
     <HBTYPE2/>
     <HBTYPE3/>
diff --git a/spec/services/imports/case_logs_import_service_spec.rb b/spec/services/imports/case_logs_import_service_spec.rb
index 82f05472c..eb8382cd8 100644
--- a/spec/services/imports/case_logs_import_service_spec.rb
+++ b/spec/services/imports/case_logs_import_service_spec.rb
@@ -40,6 +40,7 @@ RSpec.describe Imports::CaseLogsImportService do
 
       FactoryBot.create(:user, old_user_id: "c3061a2e6ea0b702e6f6210d5c52d2a92612d2aa")
       FactoryBot.create(:user, old_user_id: "e29c492473446dca4d50224f2bb7cf965a261d6f")
+      FactoryBot.create(:organisation, old_visible_id: "1", provider_type: "PRP")
     end
 
     it "successfully create all case logs" do