diff --git a/db/migrate/20260316122813_remove_default_value_for_mou_signature_agreement_type.rb b/db/migrate/20260316122813_remove_default_value_for_mou_signature_agreement_type.rb
new file mode 100644
index 000000000..cc01b1158
--- /dev/null
+++ b/db/migrate/20260316122813_remove_default_value_for_mou_signature_agreement_type.rb
@@ -0,0 +1,9 @@
+class RemoveDefaultValueForMouSignatureAgreementType < ActiveRecord::Migration[8.1]
+  def up
+    change_column_default :mou_signatures, :agreement_type, nil
+  end
+
+  def down
+    change_column_default :mou_signatures, :agreement_type, "crown"
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 84c26ea06..86095cd96 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.1].define(version: 2026_03_04_145907) do
+ActiveRecord::Schema[8.1].define(version: 2026_03_16_122813) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_catalog.plpgsql"
 
@@ -185,7 +185,7 @@
   end
 
   create_table "mou_signatures", comment: "User signatures of a memorandum of understanding (MOU) for an organisation", force: :cascade do |t|
-    t.string "agreement_type", default: "crown", null: false
+    t.string "agreement_type", null: false
     t.datetime "created_at", null: false
     t.bigint "organisation_id", comment: "Organisation which user signed MOU on behalf of, or null"
     t.datetime "updated_at", null: false
diff --git a/db/seeds.rb b/db/seeds.rb
index bdeb9437a..66271dbf3 100644
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -28,7 +28,7 @@
                                 research_contact_status: :consented,
                                 user_research_opted_in_at: Time.zone.now })
 
-  MouSignature.create! user: default_user, organisation: gds
+  MouSignature.create! user: default_user, organisation: gds, agreement_type: "crown"
 
   # create extra organisations
   test_org = Organisation.create! slug: "test-org", name: "Test Org", abbreviation: "TO"
diff --git a/lib/tasks/mou_signatures.rake b/lib/tasks/mou_signatures.rake
index a5a94100c..2d515f20e 100644
--- a/lib/tasks/mou_signatures.rake
+++ b/lib/tasks/mou_signatures.rake
@@ -1,14 +1,15 @@
 namespace :mou_signatures do
   desc "Add MOU signature that was done offline"
-  task :create, %i[user_email organisation_name agreed_at_date] => :environment do |_, args|
-    usage_message = "usage: rake mou_signatures:create[<user_email>, <organisation_name>, <agreed_at_date>]".freeze
-    abort usage_message if args[:user_email].blank? || args[:organisation_name].blank? || args[:agreed_at_date].blank?
+  task :create, %i[user_email organisation_name agreed_at_date agreement_type] => :environment do |_, args|
+    usage_message = "usage: rake mou_signatures:create[<user_email>, <organisation_name>, <agreed_at_date>, <agreement_type>]".freeze
+    abort usage_message if args[:user_email].blank? || args[:organisation_name].blank? || args[:agreed_at_date].blank? ||
+      args[:agreement_type].blank?
 
     user = User.find_by!(email: args[:user_email])
     organisation = Organisation.find_by!(name: args[:organisation_name])
     agreed_at_date = Date.iso8601(args[:agreed_at_date])
 
-    mou_signature = MouSignature.create!(user:, organisation:, created_at: agreed_at_date)
+    mou_signature = MouSignature.create!(user:, organisation:, created_at: agreed_at_date, agreement_type: args[:agreement_type])
 
     puts "Added MOU signature for User: #{mou_signature.user.name} and Organisation: #{mou_signature.organisation.name} signed at: #{mou_signature.created_at}"
   end
diff --git a/spec/lib/tasks/mou_signatures.rake_spec.rb b/spec/lib/tasks/mou_signatures.rake_spec.rb
index 19fce76f7..1a19c9002 100644
--- a/spec/lib/tasks/mou_signatures.rake_spec.rb
+++ b/spec/lib/tasks/mou_signatures.rake_spec.rb
@@ -19,27 +19,49 @@
     let(:date) { Date.iso8601 "2020-01-01T00:00" }
 
     it "aborts when the user is not found" do
-      expect { task.invoke("John Doe", organisation.name, date.iso8601) }
+      expect { task.invoke("John Doe", organisation.name, date.iso8601, "crown") }
         .to raise_error(ActiveRecord::RecordNotFound, /Couldn't find User/)
     end
 
     it "aborts when the organisation is not found" do
-      expect { task.invoke(user.email, "GDS", date.iso8601) }
+      expect { task.invoke(user.email, "GDS", date.iso8601, "crown") }
         .to raise_error(ActiveRecord::RecordNotFound, /Couldn't find Organisation/)
     end
 
     it "aborts when the agreed at date is not a valid date" do
-      expect { task.invoke(user.email, organisation.name, "not a date") }
+      expect { task.invoke(user.email, organisation.name, "not a date", "crown") }
         .to raise_error(Date::Error, /invalid date/)
     end
 
     it "creates an MOU signature" do
       freeze_time do
-        expect { task.invoke(user.email, organisation.name, date.iso8601) }
+        expect { task.invoke(user.email, organisation.name, date.iso8601, "crown") }
           .to change(MouSignature, :count).by(1)
           .and output(/Added MOU signature for User: A Person and Organisation: Government Digital Service signed at: 2020-01-01 00:00/).to_stdout
 
-        expect(MouSignature.last).to have_attributes(user:, organisation:, created_at: date, updated_at: Time.zone.now)
+        expect(MouSignature.last).to have_attributes(
+          user:,
+          organisation:,
+          created_at: date,
+          updated_at: Time.zone.now,
+          agreement_type: "crown",
+        )
+      end
+    end
+
+    it "creates a non-crown MOU signature" do
+      freeze_time do
+        expect { task.invoke(user.email, organisation.name, date.iso8601, "non_crown") }
+          .to change(MouSignature, :count).by(1)
+                                          .and output(/Added MOU signature for User: A Person and Organisation: Government Digital Service signed at: 2020-01-01 00:00/).to_stdout
+
+        expect(MouSignature.last).to have_attributes(
+          user:,
+          organisation:,
+          created_at: date,
+          updated_at: Time.zone.now,
+          agreement_type: "non_crown",
+        )
       end
     end
   end