diff --git a/atst/models/invitation.py b/atst/models/invitation.py
index fb92c178..62628d0a 100644
--- a/atst/models/invitation.py
+++ b/atst/models/invitation.py
@@ -103,6 +103,10 @@ class Invitation(Base, TimestampsMixin, AuditableMixin):
     def is_revokable(self):
         return self.is_pending and not self.is_expired
 
+    @property
+    def can_resend(self):
+        return self.is_pending or self.is_expired
+
     @property
     def user_dod_id(self):
         return self.user.dod_id if self.user is not None else None
diff --git a/atst/routes/portfolios/task_orders.py b/atst/routes/portfolios/task_orders.py
index 385b4124..d8f4fba8 100644
--- a/atst/routes/portfolios/task_orders.py
+++ b/atst/routes/portfolios/task_orders.py
@@ -14,7 +14,6 @@ from atst.forms.dd_254 import DD254Form
 from atst.forms.ko_review import KOReviewForm
 from atst.forms.officers import EditTaskOrderOfficersForm
 from atst.models.task_order import Status as TaskOrderStatus
-from atst.models.invitation import Status as InvitationStatus
 from atst.utils.flash import formatted_flash as flash
 from atst.services.invitation import (
     update_officer_invitations,
@@ -126,7 +125,10 @@ def resend_invite(portfolio_id, task_order_id, form=None):
 
     invitation = Invitations.lookup_by_portfolio_and_user(portfolio, officer)
 
-    if invitation.status is not InvitationStatus.PENDING:
+    if not invitation:
+        raise NotFoundError("invitation")
+
+    if not invitation.can_resend:
         raise NoAccessError("invitation")
 
     Invitations.revoke(token=invitation.token)
@@ -210,7 +212,7 @@ def task_order_invitations(portfolio_id, task_order_id):
             form=form,
         )
     else:
-        raise NoAccessError("task_order")
+        raise NotFoundError("task_order")
 
 
 @portfolios_bp.route(
diff --git a/tests/routes/portfolios/test_task_orders.py b/tests/routes/portfolios/test_task_orders.py
index 9f3c5fe8..158adf10 100644
--- a/tests/routes/portfolios/test_task_orders.py
+++ b/tests/routes/portfolios/test_task_orders.py
@@ -1,6 +1,6 @@
 from flask import url_for
 import pytest
-from datetime import timedelta, date
+from datetime import timedelta, date, datetime
 
 from atst.domain.permission_sets import PermissionSets
 from atst.domain.task_orders import TaskOrders
@@ -694,3 +694,63 @@ def test_resend_invite_when_not_pending(app, client, user_session, portfolio, us
     assert original_invitation.status == InvitationStatus.ACCEPTED
     assert response.status_code == 404
     assert len(queue.get_queue()) == queue_length
+
+
+def test_resending_revoked_invite(app, client, user_session, portfolio, user):
+    task_order = TaskOrderFactory.create(
+        portfolio=portfolio, contracting_officer=user, ko_invite=True
+    )
+
+    portfolio_role = PortfolioRoleFactory.create(portfolio=portfolio, user=user)
+
+    invite = InvitationFactory.create(
+        inviter=user,
+        portfolio_role=portfolio_role,
+        email=user.email,
+        status=InvitationStatus.REVOKED,
+    )
+
+    user_session(user)
+
+    response = client.post(
+        url_for(
+            "portfolios.resend_invite",
+            portfolio_id=portfolio.id,
+            task_order_id=task_order.id,
+            invite_type="ko_invite",
+            _external=True,
+        )
+    )
+
+    assert invite.is_revoked
+    assert response.status_code == 404
+
+
+def test_resending_expired_invite(app, client, user_session, portfolio, user):
+    queue_length = len(queue.get_queue())
+
+    task_order = TaskOrderFactory.create(
+        portfolio=portfolio, contracting_officer=user, ko_invite=True
+    )
+    portfolio_role = PortfolioRoleFactory.create(portfolio=portfolio, user=user)
+    invite = InvitationFactory.create(
+        inviter=user,
+        portfolio_role=portfolio_role,
+        email=user.email,
+        expiration_time=datetime.now() - timedelta(days=1),
+    )
+    user_session(user)
+
+    response = client.post(
+        url_for(
+            "portfolios.resend_invite",
+            portfolio_id=portfolio.id,
+            task_order_id=task_order.id,
+            invite_type="ko_invite",
+            _external=True,
+        )
+    )
+
+    assert invite.is_expired
+    assert response.status_code == 302
+    assert len(queue.get_queue()) == queue_length + 1