diff --git a/src/components/DistributionTable.tsx b/src/components/DistributionTable.tsx
index 3119dad2..25796c48 100644
--- a/src/components/DistributionTable.tsx
+++ b/src/components/DistributionTable.tsx
@@ -7,7 +7,7 @@ import { useCallback, useRef, useState } from "react";
 import { useApiClient } from "@/hooks/useApiClient";
 import Portal from "./baseTable/Portal";
 import toast from "react-hot-toast";
-import { CheckCircle, DotsThree } from "@phosphor-icons/react";
+import { CheckCircle, DotsThree, XCircle } from "@phosphor-icons/react";
 import DistributionsGeneralItemChipGroup from "./chips/DistributionsGeneralItemChipGroup";
 import { TableDistribution } from "@/types/api/distribution.types";
 import { useUser } from "@/components/context/UserContext";
@@ -168,10 +168,35 @@ function OptionsButton({
       error: "Failed to approve distribution.",
     });
 
-    await promise;
+    try {
+      await promise;
+      fetchTableData();
+    } finally {
+      setIsDropdownOpen(false);
+    }
 
-    setIsDropdownOpen(false);
-    fetchTableData();
+  }
+  
+  async function unapproveDistribution() {
+    const formData = new FormData(); 
+    formData.append("pending", "true");
+
+    const promise = apiClient.patch(`/api/distributions/${distribution.id}`, {
+      body: formData,
+    });
+
+    toast.promise(promise, {
+      loading: "Unapproving distribution...", 
+      success: "Distribution unapproved!", 
+      error: "Failed to unapprove distribution.",
+    });
+
+    try {
+      await promise;
+      fetchTableData();
+    } finally {
+      setIsDropdownOpen(false);
+    }
   }
 
   return (
@@ -190,13 +215,24 @@ function OptionsButton({
         position="bottom-right"
         className="w-48 rounded-md bg-white shadow-lg ring-1 ring-black/5 py-1"
       >
-        <button
-          onClick={approveDistribution}
-          className="flex items-center w-full px-4 py-2 text-sm text-left transition-colors duration-150 hover:bg-gray-50 text-gray-900 cursor-pointer"
-        >
-          <CheckCircle size={16} className="mr-3 flex-shrink-0" />
-          <p>Approve</p>
-        </button>
+        {distribution.pending ? (
+          <button
+            onClick={approveDistribution}
+            className="flex items-center w-full px-4 py-2 text-sm text-left transition-colors duration-150 hover:bg-gray-50 text-gray-900 cursor-pointer"
+          >
+            <CheckCircle size={16} className="mr-3 flex-shrink-0" />
+            <p>Approve</p>
+          </button>
+        ) : (
+          <button
+            onClick={unapproveDistribution}
+            className="flex items-center w-full px-4 py-2 text-sm text-left transition-colors duration-150 hover:bg-gray-50 text-gray-900 cursor-pointer"
+          >
+            <XCircle size={16} className="mr-3 flex-shrink-0" />
+            <p>Unapprove</p>
+          </button>
+
+        )}
       </Portal>
     </div>
   );
diff --git a/src/services/allocationService.ts b/src/services/allocationService.ts
index 00830a3f..47e3bfb0 100644
--- a/src/services/allocationService.ts
+++ b/src/services/allocationService.ts
@@ -317,6 +317,11 @@ export default class AllocationService {
             "Cannot transfer items from an approved distribution. Approved distributions are locked."
           );
         }
+        if (allocation.signOffId !== null) {
+          throw new ArgumentError(
+            "Cannot transfer items that have been signed off."
+          );
+        }
       }
 
       if (update.distributionId) {
diff --git a/src/services/distributionService.ts b/src/services/distributionService.ts
index cc2136f2..f10044b0 100644
--- a/src/services/distributionService.ts
+++ b/src/services/distributionService.ts
@@ -667,6 +667,18 @@ export default class DistributionService {
       throw new NotFoundError("Distribution not found");
     }
 
+    if (data.pending === true && currentDistribution.pending === false) {
+      const signedOffCount = await db.allocation.count({
+        where: {distributionId, signOffId: { not: null} },
+      });
+
+      if (signedOffCount > 0) {
+        throw new ArgumentError(
+          "Cannot unapprove a distribution that has signed-off allocations."
+        );
+      }
+    }
+
     const updatedDistribution = await db.distribution.update({
       where: { id: distributionId },
       data,