diff --git a/spec/models/case_log_spec.rb b/spec/models/case_log_spec.rb
index 3c3fd7b4f..866c89378 100644
--- a/spec/models/case_log_spec.rb
+++ b/spec/models/case_log_spec.rb
@@ -135,42 +135,6 @@ RSpec.describe CaseLog do
       end
     end
 
-    context "with tenant’s income from Universal Credit, state pensions or benefits" do
-      it "Cannot be All if person 1 works full time" do
-        expect {
-          described_class.create!(
-            benefits: "All",
-            ecstat1: "Full-time - 30 hours or more",
-            owning_organisation:,
-            managing_organisation:,
-          )
-        }.to raise_error(ActiveRecord::RecordInvalid)
-      end
-
-      it "Cannot be All if person 1 works part time" do
-        expect {
-          described_class.create!(
-            benefits: "All",
-            ecstat1: "Part-time - Less than 30 hours",
-            owning_organisation:,
-            managing_organisation:,
-          )
-        }.to raise_error(ActiveRecord::RecordInvalid)
-      end
-
-      it "Cannot be 1 All if any of persons 2-4 are person 1's partner and work part or full time" do
-        expect {
-          described_class.create!(
-            benefits: "All",
-            relat2: "Partner",
-            ecstat2: "Part-time - Less than 30 hours",
-            owning_organisation:,
-            managing_organisation:,
-          )
-        }.to raise_error(ActiveRecord::RecordInvalid)
-      end
-    end
-
     context "when saving income ranges" do
       it "validates net income maximum" do
         expect {
@@ -382,6 +346,10 @@ RSpec.describe CaseLog do
     it "validates local authority" do
       expect(validator).to receive(:validate_la)
     end
+
+    it "validates benefits as proportion of income" do
+      expect(validator).to receive(:validate_net_income_uc_proportion)
+    end
   end
 
   describe "status" do
diff --git a/spec/models/validations/financial_validations_spec.rb b/spec/models/validations/financial_validations_spec.rb
index 1cbd1cde1..5fdb0fcc6 100644
--- a/spec/models/validations/financial_validations_spec.rb
+++ b/spec/models/validations/financial_validations_spec.rb
@@ -21,4 +21,45 @@ RSpec.describe Validations::FinancialValidations do
       expect(record.errors["earnings"]).to include(match I18n.t("validations.financial.earnings.earnings_missing"))
     end
   end
+
+  describe "benefits proportion validations" do
+    context "when the proportion is all" do
+      it "validates that the lead tenant is not in full time employment" do
+        record.benefits = "All"
+        record.ecstat1 = "Full-time - 30 hours or more"
+        financial_validator.validate_net_income_uc_proportion(record)
+        expect(record.errors["benefits"]).to include(match I18n.t("validations.financial.benefits.part_or_full_time"))
+      end
+
+      it "validates that the lead tenant is not in part time employment" do
+        record.benefits = "All"
+        record.ecstat1 = "Part-time - Less than 30 hours"
+        financial_validator.validate_net_income_uc_proportion(record)
+        expect(record.errors["benefits"]).to include(match I18n.t("validations.financial.benefits.part_or_full_time"))
+      end
+
+      it "expects that the lead tenant is not in full-time or part-time employment" do
+        record.benefits = "All"
+        record.ecstat1 = "Retired"
+        financial_validator.validate_net_income_uc_proportion(record)
+        expect(record.errors["benefits"]).to be_empty
+      end
+
+      it "validates that the tenant's partner is not in full time employment" do
+        record.benefits = "All"
+        record.ecstat2 = "Part-time - Less than 30 hours"
+        record.relat2 = "Partner"
+        financial_validator.validate_net_income_uc_proportion(record)
+        expect(record.errors["benefits"]).to include(match I18n.t("validations.financial.benefits.part_or_full_time"))
+      end
+
+      it "expects that the tenant's partner is not in full-time or part-time employment" do
+        record.benefits = "All"
+        record.ecstat2 = "Retired"
+        record.relat2 = "Partner"
+        financial_validator.validate_net_income_uc_proportion(record)
+        expect(record.errors["benefits"]).to be_empty
+      end
+    end
+  end
 end