diff --git a/apps/common/behaviours/email.js b/apps/common/behaviours/email.js
index fdaf7bb2..32c0510c 100644
--- a/apps/common/behaviours/email.js
+++ b/apps/common/behaviours/email.js
@@ -47,7 +47,7 @@ const serviceMap = {
     return {
       template: 'delivery',
       subject: 'Form submitted: Your BRP hasn\'t arrived. Ref: ' + setRef(data) +
-      '(Application Type: ' + appType(data) + ')'
+      ' (Application Type: ' + appType(data) + ')'
     };
   },
   '/correct-mistakes': data => {
diff --git a/test/_unit/apps/collection/validation/validation.spec.js b/test/_unit/apps/collection/validation/validation.spec.js
new file mode 100644
index 00000000..d97a8275
--- /dev/null
+++ b/test/_unit/apps/collection/validation/validation.spec.js
@@ -0,0 +1,59 @@
+'use strict';
+
+const Controller = require('hof').controller;
+
+const DummyController = class DummyControllerBase extends Controller {
+  configure(req, res, next) {
+    super.configure(req, res, next);
+  }
+};
+describe('apps/collection/fields/application-type', () => {
+  let controller;
+  let req;
+  let res;
+
+  beforeEach(() => {
+    req = reqres.req();
+    res = reqres.res();
+
+    req.form.options = {};
+
+    controller = new DummyController({ template: 'index', route: '/index' });
+  });
+
+  describe('validation', () => {
+    let sandbox;
+
+    beforeEach(() => {
+      sandbox = sinon.createSandbox();
+      req.form.options.fields = {
+        'application-type': {
+          validate: ['required']
+        },
+        'application-type-other': {
+          validate: ['required']
+        }
+      };
+    });
+
+    afterEach(() => {
+      sandbox.restore();
+    });
+
+    it('adds a `required` validator if the application type is not selected', () => {
+      req.sessionModel.set('application-type');
+      controller.configure(req, res, () => {
+        req.form.options.fields['application-type'].should.have.property('validate');
+        expect(req.form.options.fields['application-type'].validate).to.deep.eql(['required' ]);
+      });
+    });
+
+    it('adds a`required` validator to the `other` input box', () => {
+      req.sessionModel.set('application-type', 'other');
+      controller.configure(req, res, () => {
+        req.form.options.fields['application-type-other'].should.have.property('validate');
+        expect(req.form.options.fields['application-type-other'].validate).to.deep.eql([ 'required']);
+      });
+    });
+  });
+});
diff --git a/test/_unit/apps/common/behaviours/email.spec.js b/test/_unit/apps/common/behaviours/email.spec.js
index 9edbd0bf..d3163fb5 100644
--- a/test/_unit/apps/common/behaviours/email.spec.js
+++ b/test/_unit/apps/common/behaviours/email.spec.js
@@ -98,7 +98,7 @@ describe('apps/common/controllers/confirm', () => {
       });
     });
 
-    it('sets errors in the subject for the correct mistakes journey', () => {
+    it('sets errors and application type in the subject for the correct mistakes journey', () => {
       req.baseUrl = '/correct-mistakes';
       req.sessionModel.set('test-error-checkbox', 'true');
       req.sessionModel.set('test-error', 'testerror');
@@ -111,6 +111,62 @@ describe('apps/common/controllers/confirm', () => {
       });
     });
 
+    it('sets application type in the subject for the collection journey', () => {
+      req.baseUrl = '/collection';
+      req.sessionModel.set('submission-reference', 'fpgyxSgw7');
+      req.sessionModel.set('application-type', 'study-academic-visit');
+      controller.saveValues(req, res, err => {
+        expect(err).not.to.be.ok;
+        setStub.should.have.been.calledWith('subject',
+          'Form submitted: Report a collection problem. Ref: fpgyxSgw7 (Application Type: Study/Academic Visit)');
+      });
+    });
+
+    it('sets application type in the subject for the lost-stolen journey', () => {
+      req.baseUrl = '/lost-stolen';
+      req.sessionModel.set('submission-reference', 'fpgyxSgw7');
+      req.sessionModel.set('application-type', 'graduate');
+      controller.saveValues(req, res, err => {
+        expect(err).not.to.be.ok;
+        setStub.should.have.been.calledWith('subject',
+          'Form submitted: Report a lost or stolen BRP. Ref: fpgyxSgw7 (Application Type: Graduate)');
+      });
+    });
+
+    it('sets application type in the subject for the not-arrived journey', () => {
+      req.baseUrl = '/not-arrived';
+      req.sessionModel.set('submission-reference', 'fpgyxSgw7');
+      req.sessionModel.set('application-type', 'joining-family-human-rights');
+      controller.saveValues(req, res, err => {
+        expect(err).not.to.be.ok;
+        setStub.should.have.been.calledWith('subject',
+          'Form submitted: Your BRP hasn\'t arrived. Ref: fpgyxSgw7 (Application Type: Joining Family/Human Rights)');
+      });
+    });
+
+    it('sets application type in the subject for the someone-else journey', () => {
+      req.baseUrl = '/someone-else';
+      req.sessionModel.set('submission-reference', 'fpgyxSgw7');
+      req.sessionModel.set('application-type', 'business');
+      controller.saveValues(req, res, err => {
+        expect(err).not.to.be.ok;
+        setStub.should.have.been.calledWith('subject',
+          'Form submitted: Report someone else collecting your BRP. Ref: fpgyxSgw7 (Application Type: Business)');
+      });
+    });
+
+    it('sets freetext in the subject if the application type is `Other`', () => {
+      req.baseUrl = '/collection';
+      req.sessionModel.set('submission-reference', 'fpgyxSgw7');
+      req.sessionModel.set('application-type', 'other');
+      req.sessionModel.set('application-type-other', 'Test');
+      controller.saveValues(req, res, err => {
+        expect(err).not.to.be.ok;
+        setStub.should.have.been.calledWith('subject',
+          'Form submitted: Report a collection problem. Ref: fpgyxSgw7 (Application Type: Other - Test)');
+      });
+    });
+
     it('throws an error if its not part of a recognised journey', () => {
       req.baseUrl = '/unrecognised-journey';
       controller.saveValues(req, res, err => {
diff --git a/test/_unit/apps/correct-mistakes/validation/validation.spec.js b/test/_unit/apps/correct-mistakes/validation/validation.spec.js
new file mode 100644
index 00000000..07c8f591
--- /dev/null
+++ b/test/_unit/apps/correct-mistakes/validation/validation.spec.js
@@ -0,0 +1,59 @@
+'use strict';
+
+const Controller = require('hof').controller;
+
+const DummyController = class DummyControllerBase extends Controller {
+  configure(req, res, next) {
+    super.configure(req, res, next);
+  }
+};
+describe('apps/correct-mistakes/fields/application-type', () => {
+  let controller;
+  let req;
+  let res;
+
+  beforeEach(() => {
+    req = reqres.req();
+    res = reqres.res();
+
+    req.form.options = {};
+
+    controller = new DummyController({ template: 'index', route: '/index' });
+  });
+
+  describe('validation', () => {
+    let sandbox;
+
+    beforeEach(() => {
+      sandbox = sinon.createSandbox();
+      req.form.options.fields = {
+        'application-type': {
+          validate: ['required']
+        },
+        'application-type-other': {
+          validate: ['required']
+        }
+      };
+    });
+
+    afterEach(() => {
+      sandbox.restore();
+    });
+
+    it('adds a `required` validator if the application type is not selected', () => {
+      req.sessionModel.set('application-type');
+      controller.configure(req, res, () => {
+        req.form.options.fields['application-type'].should.have.property('validate');
+        expect(req.form.options.fields['application-type'].validate).to.deep.eql(['required' ]);
+      });
+    });
+
+    it('adds a`required` validator to the `other` input box', () => {
+      req.sessionModel.set('application-type', 'other');
+      controller.configure(req, res, () => {
+        req.form.options.fields['application-type-other'].should.have.property('validate');
+        expect(req.form.options.fields['application-type-other'].validate).to.deep.eql([ 'required']);
+      });
+    });
+  });
+});
diff --git a/test/_unit/apps/lost-stolen/validation/validation.spec.js b/test/_unit/apps/lost-stolen/validation/validation.spec.js
new file mode 100644
index 00000000..97b527e7
--- /dev/null
+++ b/test/_unit/apps/lost-stolen/validation/validation.spec.js
@@ -0,0 +1,59 @@
+'use strict';
+
+const Controller = require('hof').controller;
+
+const DummyController = class DummyControllerBase extends Controller {
+  configure(req, res, next) {
+    super.configure(req, res, next);
+  }
+};
+describe('apps/lost-stolen/fields/application-type', () => {
+  let controller;
+  let req;
+  let res;
+
+  beforeEach(() => {
+    req = reqres.req();
+    res = reqres.res();
+
+    req.form.options = {};
+
+    controller = new DummyController({ template: 'index', route: '/index' });
+  });
+
+  describe('validation', () => {
+    let sandbox;
+
+    beforeEach(() => {
+      sandbox = sinon.createSandbox();
+      req.form.options.fields = {
+        'application-type': {
+          validate: ['required']
+        },
+        'application-type-other': {
+          validate: ['required']
+        }
+      };
+    });
+
+    afterEach(() => {
+      sandbox.restore();
+    });
+
+    it('adds a `required` validator if the application type is not selected', () => {
+      req.sessionModel.set('application-type');
+      controller.configure(req, res, () => {
+        req.form.options.fields['application-type'].should.have.property('validate');
+        expect(req.form.options.fields['application-type'].validate).to.deep.eql(['required' ]);
+      });
+    });
+
+    it('adds a`required` validator to the `other` input box', () => {
+      req.sessionModel.set('application-type', 'other');
+      controller.configure(req, res, () => {
+        req.form.options.fields['application-type-other'].should.have.property('validate');
+        expect(req.form.options.fields['application-type-other'].validate).to.deep.eql([ 'required']);
+      });
+    });
+  });
+});
diff --git a/test/_unit/apps/not-arrived/validation/validation.spec.js b/test/_unit/apps/not-arrived/validation/validation.spec.js
new file mode 100644
index 00000000..07f500ab
--- /dev/null
+++ b/test/_unit/apps/not-arrived/validation/validation.spec.js
@@ -0,0 +1,59 @@
+'use strict';
+
+const Controller = require('hof').controller;
+
+const DummyController = class DummyControllerBase extends Controller {
+  configure(req, res, next) {
+    super.configure(req, res, next);
+  }
+};
+describe('apps/not-arrived/fields/application-type', () => {
+  let controller;
+  let req;
+  let res;
+
+  beforeEach(() => {
+    req = reqres.req();
+    res = reqres.res();
+
+    req.form.options = {};
+
+    controller = new DummyController({ template: 'index', route: '/index' });
+  });
+
+  describe('validation', () => {
+    let sandbox;
+
+    beforeEach(() => {
+      sandbox = sinon.createSandbox();
+      req.form.options.fields = {
+        'application-type': {
+          validate: ['required']
+        },
+        'application-type-other': {
+          validate: ['required']
+        }
+      };
+    });
+
+    afterEach(() => {
+      sandbox.restore();
+    });
+
+    it('adds a `required` validator if the application type is not selected', () => {
+      req.sessionModel.set('application-type');
+      controller.configure(req, res, () => {
+        req.form.options.fields['application-type'].should.have.property('validate');
+        expect(req.form.options.fields['application-type'].validate).to.deep.eql(['required' ]);
+      });
+    });
+
+    it('adds a`required` validator to the `other` input box', () => {
+      req.sessionModel.set('application-type', 'other');
+      controller.configure(req, res, () => {
+        req.form.options.fields['application-type-other'].should.have.property('validate');
+        expect(req.form.options.fields['application-type-other'].validate).to.deep.eql([ 'required']);
+      });
+    });
+  });
+});
diff --git a/test/_unit/apps/someone-else/validation/validation.spec.js b/test/_unit/apps/someone-else/validation/validation.spec.js
new file mode 100644
index 00000000..b4e3b2d3
--- /dev/null
+++ b/test/_unit/apps/someone-else/validation/validation.spec.js
@@ -0,0 +1,59 @@
+'use strict';
+
+const Controller = require('hof').controller;
+
+const DummyController = class DummyControllerBase extends Controller {
+  configure(req, res, next) {
+    super.configure(req, res, next);
+  }
+};
+describe('apps/someone-else/fields/application-type', () => {
+  let controller;
+  let req;
+  let res;
+
+  beforeEach(() => {
+    req = reqres.req();
+    res = reqres.res();
+
+    req.form.options = {};
+
+    controller = new DummyController({ template: 'index', route: '/index' });
+  });
+
+  describe('validation', () => {
+    let sandbox;
+
+    beforeEach(() => {
+      sandbox = sinon.createSandbox();
+      req.form.options.fields = {
+        'application-type': {
+          validate: ['required']
+        },
+        'application-type-other': {
+          validate: ['required']
+        }
+      };
+    });
+
+    afterEach(() => {
+      sandbox.restore();
+    });
+
+    it('adds a `required` validator if the application type is not selected', () => {
+      req.sessionModel.set('application-type');
+      controller.configure(req, res, () => {
+        req.form.options.fields['application-type'].should.have.property('validate');
+        expect(req.form.options.fields['application-type'].validate).to.deep.eql(['required' ]);
+      });
+    });
+
+    it('adds a`required` validator to the `other` input box', () => {
+      req.sessionModel.set('application-type', 'other');
+      controller.configure(req, res, () => {
+        req.form.options.fields['application-type-other'].should.have.property('validate');
+        expect(req.form.options.fields['application-type-other'].validate).to.deep.eql([ 'required']);
+      });
+    });
+  });
+});