diff --git a/ess/src/API/EMBC.ESS/Engines/Supporting/SupportProcessing/SelfServeSupportEligibilityStrategy.cs b/ess/src/API/EMBC.ESS/Engines/Supporting/SupportProcessing/SelfServeSupportEligibilityStrategy.cs
index 0667e40f4..5842771b9 100644
--- a/ess/src/API/EMBC.ESS/Engines/Supporting/SupportProcessing/SelfServeSupportEligibilityStrategy.cs
+++ b/ess/src/API/EMBC.ESS/Engines/Supporting/SupportProcessing/SelfServeSupportEligibilityStrategy.cs
@@ -314,6 +314,8 @@ private static SelfServeSupportType MapSupportTypeToSelfServeSupportType(Support
 
     private static async Task<IEnumerable<era_evacueesupport>> GetDuplicateSupportsForHouseholdMember(EssContext ctx, era_householdmember hm, int[] similarSupportTypes, DateTimeOffset eligibleFrom, DateTimeOffset eligibleTo, CancellationToken ct)
     {
+        eligibleFrom = eligibleFrom.Date;
+        eligibleTo = eligibleTo.Date;
         return await ctx.era_evacueesupports
             .WhereNotIn(s => s.statuscode.Value, [(int)Resources.Supports.SupportStatus.Cancelled, (int)Resources.Supports.SupportStatus.Void])
             .WhereIn(s => s.era_supporttype.Value, similarSupportTypes)
diff --git a/ess/src/API/EMBC.Tests.Integration.ESS/Engines/Supporting/ComplianceTests.cs b/ess/src/API/EMBC.Tests.Integration.ESS/Engines/Supporting/ComplianceTests.cs
index 3f1ffde27..c3a0a1015 100644
--- a/ess/src/API/EMBC.Tests.Integration.ESS/Engines/Supporting/ComplianceTests.cs
+++ b/ess/src/API/EMBC.Tests.Integration.ESS/Engines/Supporting/ComplianceTests.cs
@@ -30,8 +30,6 @@ public async Task CheckSupportComplianceRequest_OneDuplicate_FlagReturned(Suppor
         {
             var fileId = TestData.EvacuationFileId;
             var householdMembers = TestData.HouseholdMemberIds;
-            //var initialSupport = new ShelterHotelSupport { FileId = fileId, SupportDelivery = new Referral(), NumberOfNights = 3, NumberOfRooms = 3 };
-            //var duplicatedSupport = new ShelterAllowanceSupport { FileId = fileId, SupportDelivery = new Interac(), TotalAmount = 100m };
             await DuplicateCheck(fileId, householdMembers, initialSupport, duplicatedSupport, TimeSpan.FromMinutes(5), TimeSpan.FromMinutes(5));
         }
 
diff --git a/ess/src/API/EMBC.Tests.Integration.ESS/Engines/Supporting/SelfServeTests.cs b/ess/src/API/EMBC.Tests.Integration.ESS/Engines/Supporting/SelfServeTests.cs
index e615c7ca3..9fef8ad0d 100644
--- a/ess/src/API/EMBC.Tests.Integration.ESS/Engines/Supporting/SelfServeTests.cs
+++ b/ess/src/API/EMBC.Tests.Integration.ESS/Engines/Supporting/SelfServeTests.cs
@@ -112,6 +112,20 @@ public async Task ValidateEligibility_DuplicateSupports_False()
         await RunEligibilityTest(file2.Id, false, "Overlapping supports found");
     }
 
+    [Fact]
+    public async Task ValidateEligibility_DuplicateSupportsSameDay_False()
+    {
+        var (file1, registrant) = await CreateTestSubjects(taskNumber: TestData.SelfServeActiveTaskId, homeAddress: TestHelper.CreateSelfServeEligibleAddress());
+        var previousSupports = new[]
+        {
+            new ShelterAllowanceSupport{FileId = file1.Id, From = DateTime.Now.AddHours(-72), To = DateTime.Now.AddMinutes(30), IncludedHouseholdMembers = file1.NeedsAssessment.HouseholdMembers.Select(hm=>hm.Id), SupportDelivery = new Referral() }
+        };
+        await SaveSupports(file1.Id, previousSupports);
+
+        var (file2, _) = await CreateTestSubjects(taskNumber: TestData.SelfServeActiveTaskId, homeAddress: TestHelper.CreateSelfServeEligibleAddress(), existingRegistrant: registrant);
+        await RunEligibilityTest(file2.Id, false, "Overlapping supports found");
+    }
+
     [Fact]
     public async Task ValidateEligibility_NotDuplicateSupport_True()
     {
@@ -222,8 +236,8 @@ public async Task ValidateEligibility_PreviousOnetimeSupports_TrueWithoutOneTime
             new ClothingSupport
             {
                 FileId = file1.Id,
-                From = DateTime.Now.AddDays(-3).AddHours(-3),
-                To = DateTime.Now.AddHours(-3),
+                From = DateTime.Now.AddDays(-4).AddHours(-3),
+                To = DateTime.Now.AddDays(-1).AddHours(-3),
                 IncludedHouseholdMembers = file1.NeedsAssessment.HouseholdMembers.Select(hm=>hm.Id),
                 SupportDelivery = new Referral()
             }