diff --git a/app/models/policies/early_career_payments.rb b/app/models/policies/early_career_payments.rb
index 9c5f3ffdc3..2248580d05 100644
--- a/app/models/policies/early_career_payments.rb
+++ b/app/models/policies/early_career_payments.rb
@@ -26,11 +26,11 @@ module EarlyCareerPayments
     POLICY_END_YEAR = AcademicYear.new(2024).freeze
 
     # Used in
-    #  - checking payments with multiple policies: ClaimsPreventingPaymentFinder
     #  - matching claims with multiple policies: MatchingAttributeFinder
     OTHER_CLAIMABLE_POLICIES = [
       LevellingUpPremiumPayments,
-      StudentLoans
+      StudentLoans,
+      FurtherEducationPayments
     ].freeze
 
     ELIGIBILITY_MATCHING_ATTRIBUTES = [["teacher_reference_number"]].freeze
diff --git a/app/models/policies/further_education_payments.rb b/app/models/policies/further_education_payments.rb
index 60c3695ef2..1c4e3baa35 100644
--- a/app/models/policies/further_education_payments.rb
+++ b/app/models/policies/further_education_payments.rb
@@ -3,7 +3,14 @@ module FurtherEducationPayments
     include BasePolicy
     extend self
 
-    OTHER_CLAIMABLE_POLICIES = []
+    # Used in
+    #  - matching claims with multiple policies: MatchingAttributeFinder
+    OTHER_CLAIMABLE_POLICIES = [
+      EarlyCareerPayments,
+      StudentLoans,
+      LevellingUpPremiumPayments
+    ]
+
     ELIGIBILITY_MATCHING_ATTRIBUTES = [["teacher_reference_number"]].freeze
 
     # Percentage of claims to QA
diff --git a/app/models/policies/levelling_up_premium_payments.rb b/app/models/policies/levelling_up_premium_payments.rb
index a3f6f8ee1f..827a46e72b 100644
--- a/app/models/policies/levelling_up_premium_payments.rb
+++ b/app/models/policies/levelling_up_premium_payments.rb
@@ -13,11 +13,11 @@ module LevellingUpPremiumPayments
     ].freeze
 
     # Used in
-    #  - checking payments with multiple policies: ClaimsPreventingPaymentFinder
     #  - matching claims with multiple policies: MatchingAttributeFinder
     OTHER_CLAIMABLE_POLICIES = [
       EarlyCareerPayments,
-      StudentLoans
+      StudentLoans,
+      FurtherEducationPayments
     ].freeze
 
     ELIGIBILITY_MATCHING_ATTRIBUTES = [["teacher_reference_number"]].freeze
diff --git a/app/models/policies/student_loans.rb b/app/models/policies/student_loans.rb
index 881ef113ce..9edd71f051 100644
--- a/app/models/policies/student_loans.rb
+++ b/app/models/policies/student_loans.rb
@@ -26,11 +26,11 @@ module StudentLoans
     ACADEMIC_YEARS_QUALIFIED_TEACHERS_CAN_CLAIM_FOR = 11
 
     # Used in
-    #  - checking payments with multiple policies: ClaimsPreventingPaymentFinder
     #  - matching claims with multiple policies: MatchingAttributeFinder
     OTHER_CLAIMABLE_POLICIES = [
       EarlyCareerPayments,
-      LevellingUpPremiumPayments
+      LevellingUpPremiumPayments,
+      FurtherEducationPayments
     ]
 
     ELIGIBILITY_MATCHING_ATTRIBUTES = [["teacher_reference_number"]].freeze
diff --git a/spec/models/claim/matching_attribute_finder_spec.rb b/spec/models/claim/matching_attribute_finder_spec.rb
index 494ebbc0fa..9b7a76703f 100644
--- a/spec/models/claim/matching_attribute_finder_spec.rb
+++ b/spec/models/claim/matching_attribute_finder_spec.rb
@@ -277,31 +277,29 @@
     it { is_expected.to eq [other_claim] }
   end
 
-  describe "matching_claims - blank trn, another field group with same contract type, blank provision_search" do
-    before do
-      stub_const("Policies::FurtherEducationPayments::ELIGIBILITY_MATCHING_ATTRIBUTES", [["teacher_reference_number"], ["provision_search", "contract_type"]])
-    end
-
+  describe "matching_claims - blank trn, matching email addresses" do
     let(:policy) { Policies::FurtherEducationPayments }
 
     let!(:source_claim) {
-      eligibility = create(:further_education_payments_eligibility, :eligible, contract_type: "permanent", provision_search: nil)
+      eligibility = create(:further_education_payments_eligibility, :eligible)
       create(
         :claim,
         :submitted,
         policy: policy,
-        eligibility: eligibility
+        eligibility: eligibility,
+        email_address: "match@example.com"
       )
     }
 
     let!(:other_claim) {
-      eligibility = create(:further_education_payments_eligibility, :eligible, contract_type: "permanent", provision_search: nil)
+      eligibility = create(:further_education_payments_eligibility, :eligible)
       create(
         :claim,
         :submitted,
         policy: policy,
         eligibility: eligibility,
-        surname: Faker::Name.last_name
+        surname: Faker::Name.last_name,
+        email_address: "match@example.com"
       )
     }
 
@@ -310,6 +308,202 @@
     it { is_expected.to eq [other_claim] }
   end
 
+  describe "matching claims across policies" do
+    subject(:matching_claims) do
+      Claim::MatchingAttributeFinder.new(source_claim).matching_claims
+    end
+
+    let(:source_claim) do
+      create(
+        :claim,
+        :submitted,
+        policy: source_policy,
+        email_address: "match@example.com",
+        academic_year: AcademicYear.current
+      )
+    end
+
+    let!(:target_claim) do
+      create(
+        :claim,
+        :submitted,
+        policy: target_policy,
+        email_address: "match@example.com",
+        academic_year: AcademicYear.current
+      )
+    end
+
+    context "with an ECP claim" do
+      let(:source_policy) { Policies::EarlyCareerPayments }
+
+      context "when compared with ECP" do
+        let(:target_policy) { Policies::EarlyCareerPayments }
+
+        it { is_expected.to include(target_claim) }
+      end
+
+      context "when compared with LUP" do
+        let(:target_policy) { Policies::LevellingUpPremiumPayments }
+
+        it { is_expected.to include(target_claim) }
+      end
+
+      context "when compared with TSLR" do
+        let(:target_policy) { Policies::StudentLoans }
+
+        it { is_expected.to include(target_claim) }
+      end
+
+      context "when compared with FE" do
+        let(:target_policy) { Policies::FurtherEducationPayments }
+
+        it { is_expected.to include(target_claim) }
+      end
+
+      context "when compared with IRP" do
+        let(:target_policy) { Policies::InternationalRelocationPayments }
+
+        it { is_expected.not_to include(target_claim) }
+      end
+    end
+
+    context "with an LUP claim" do
+      let(:source_policy) { Policies::LevellingUpPremiumPayments }
+
+      context "when compared with ECP" do
+        let(:target_policy) { Policies::EarlyCareerPayments }
+
+        it { is_expected.to include(target_claim) }
+      end
+
+      context "when compared with LUP" do
+        let(:target_policy) { Policies::LevellingUpPremiumPayments }
+
+        it { is_expected.to include(target_claim) }
+      end
+
+      context "when compared with TSLR" do
+        let(:target_policy) { Policies::StudentLoans }
+
+        it { is_expected.to include(target_claim) }
+      end
+
+      context "when compared with FE" do
+        let(:target_policy) { Policies::FurtherEducationPayments }
+
+        it { is_expected.to include(target_claim) }
+      end
+
+      context "when compared with IRP" do
+        let(:target_policy) { Policies::InternationalRelocationPayments }
+
+        it { is_expected.not_to include(target_claim) }
+      end
+    end
+
+    context "with a TSLR claim" do
+      let(:source_policy) { Policies::StudentLoans }
+
+      context "when compared with ECP" do
+        let(:target_policy) { Policies::EarlyCareerPayments }
+
+        it { is_expected.to include(target_claim) }
+      end
+
+      context "when compared with LUP" do
+        let(:target_policy) { Policies::LevellingUpPremiumPayments }
+
+        it { is_expected.to include(target_claim) }
+      end
+
+      context "when compared with TSLR" do
+        let(:target_policy) { Policies::StudentLoans }
+
+        it { is_expected.to include(target_claim) }
+      end
+
+      context "when compared with FE" do
+        let(:target_policy) { Policies::FurtherEducationPayments }
+
+        it { is_expected.to include(target_claim) }
+      end
+
+      context "when compared with IRP" do
+        let(:target_policy) { Policies::InternationalRelocationPayments }
+
+        it { is_expected.not_to include(target_claim) }
+      end
+    end
+
+    context "with an FE claim" do
+      let(:source_policy) { Policies::FurtherEducationPayments }
+
+      context "when compared with ECP" do
+        let(:target_policy) { Policies::EarlyCareerPayments }
+
+        it { is_expected.to include(target_claim) }
+      end
+
+      context "when compared with LUP" do
+        let(:target_policy) { Policies::LevellingUpPremiumPayments }
+
+        it { is_expected.to include(target_claim) }
+      end
+
+      context "when compared with TSLR" do
+        let(:target_policy) { Policies::StudentLoans }
+
+        it { is_expected.to include(target_claim) }
+      end
+
+      context "when compared with FE" do
+        let(:target_policy) { Policies::FurtherEducationPayments }
+
+        it { is_expected.to include(target_claim) }
+      end
+
+      context "when compared with IRP" do
+        let(:target_policy) { Policies::InternationalRelocationPayments }
+
+        it { is_expected.not_to include(target_claim) }
+      end
+    end
+
+    context "with an IRP claim" do
+      let(:source_policy) { Policies::InternationalRelocationPayments }
+
+      context "when compared with ECP" do
+        let(:target_policy) { Policies::EarlyCareerPayments }
+
+        it { is_expected.not_to include(target_claim) }
+      end
+
+      context "when compared with LUP" do
+        let(:target_policy) { Policies::LevellingUpPremiumPayments }
+
+        it { is_expected.not_to include(target_claim) }
+      end
+
+      context "when compared with TSLR" do
+        let(:target_policy) { Policies::StudentLoans }
+
+        it { is_expected.not_to include(target_claim) }
+      end
+
+      context "when compared with FE" do
+        let(:target_policy) { Policies::FurtherEducationPayments }
+
+        it { is_expected.not_to include(target_claim) }
+      end
+
+      context "when compared with IRP" do
+        let(:target_policy) { Policies::InternationalRelocationPayments }
+
+        it { is_expected.to include(target_claim) }
+      end
+    end
+  end
+
   describe "#matching_attributes" do
     it "returns the attributes that match" do
       source_claim = create(