diff --git a/admin/package.json b/admin/package.json
index f9181d72c9..12d7d4dcb1 100644
--- a/admin/package.json
+++ b/admin/package.json
@@ -199,4 +199,4 @@
       "axios": "axios/dist/node/axios.cjs"
     }
   }
-}
\ No newline at end of file
+}
diff --git a/admin/services/data-access/pupil-attendance.data.service.js b/admin/services/data-access/pupil-attendance.data.service.js
index aa6c061cda..eea82b7e31 100644
--- a/admin/services/data-access/pupil-attendance.data.service.js
+++ b/admin/services/data-access/pupil-attendance.data.service.js
@@ -53,12 +53,20 @@ pupilAttendanceDataService.sqlDeleteOneByPupilId = async function sqlDeleteOneBy
 
   const sql = `
   --
+  -- capture the pupilAttendanceId for the restart undo
+  --
+  DECLARE @pupilAttendanceTable TABLE (ID INT NULL);
+  DECLARE @pupilAttendanceId INT;
+  --
   -- Remove the attendance code
   --
   UPDATE [mtc_admin].[pupilAttendance]
   SET isDeleted=1
+  OUTPUT INSERTED.ID INTO @pupilAttendanceTable
   WHERE pupil_id = @pupilId;
-
+  --
+  -- Get the pupilAttendanceId
+  SELECT @pupilAttendanceId = ID FROM @pupilAttendanceTable;
   --
   -- Maintain the pupil state
   --
@@ -66,6 +74,16 @@ pupilAttendanceDataService.sqlDeleteOneByPupilId = async function sqlDeleteOneBy
   SET attendanceId = NULL,
   lastModifiedBy_userId = @userId
   WHERE id = @pupilId;
+
+  UPDATE [mtc_admin].[pupilRestart]
+  SET isDeleted = 0,
+  deletedByUser_id = NULL,
+  deletedAt = NULL,
+  deletedBy_pupilAttendance_id = NULL
+  WHERE
+  deletedBy_pupilAttendance_id = @pupilAttendanceId
+  AND isDeleted = 1
+  AND pupil_id = @pupilId;
   `
   const params = [
     {
@@ -226,14 +244,18 @@ pupilAttendanceDataService.markAsNotAttending = async function markAsNotAttendin
   SET
     pr.isDeleted = 1,
     pr.deletedByUser_id = @userId,
-    pr.deletedAt = GETUTCDATE()
+    pr.deletedAt = GETUTCDATE(),
+    pr.deletedBy_pupilAttendance_id = pa.id
   FROM
-       [mtc_admin].[pupil] p JOIN
-       #pupilsToSet t1 ON (p.id = t1.id) LEFT JOIN
-       [mtc_admin].[pupilRestart] pr ON (p.id = pr.pupil_id)
+       [mtc_admin].[pupil] p
+       JOIN #pupilsToSet t1 ON (p.id = t1.id)
+       LEFT JOIN [mtc_admin].[pupilRestart] pr ON (p.id = pr.pupil_id)
+       LEFT JOIN [mtc_admin].[pupilAttendance] pa ON (p.id = pa.pupil_id)
   WHERE
-      pr.isDeleted  = 0
-  AND pr.check_id IS NULL -- unconsumed
+      pr.isDeleted = 0
+  AND pr.check_id IS NULL
+  AND pa.isDeleted = 0
+  -- unconsumed restarts & current attendance record
   ;`
 
   return sqlService.modifyWithTransaction(sql, params.concat(insertParams))
diff --git a/db/migrations/schema-objects/20240816100652.do.attendance-restart-deletion-ref-column.sql b/db/migrations/schema-objects/20240816100652.do.attendance-restart-deletion-ref-column.sql
new file mode 100644
index 0000000000..3f1f2e5581
--- /dev/null
+++ b/db/migrations/schema-objects/20240816100652.do.attendance-restart-deletion-ref-column.sql
@@ -0,0 +1,7 @@
+ALTER TABLE [mtc_admin].[pupilRestart]
+    ADD [deletedBy_pupilAttendance_id] INT NULL;
+
+ALTER TABLE [mtc_admin].[pupilRestart] WITH NOCHECK
+    ADD CONSTRAINT [FK_pupilRestart_pupilAttendance_deletedBy_id] FOREIGN KEY ([deletedBy_pupilAttendance_id]) REFERENCES [mtc_admin].[pupilAttendance] ([id]);
+
+ALTER TABLE [mtc_admin].[pupilRestart] WITH CHECK CHECK CONSTRAINT [FK_pupilRestart_pupilAttendance_deletedBy_id];
diff --git a/db/migrations/schema-objects/20240816100652.undo.attendance-restart-deletion-ref-column.sql b/db/migrations/schema-objects/20240816100652.undo.attendance-restart-deletion-ref-column.sql
new file mode 100644
index 0000000000..209a18acc2
--- /dev/null
+++ b/db/migrations/schema-objects/20240816100652.undo.attendance-restart-deletion-ref-column.sql
@@ -0,0 +1,12 @@
+ IF EXISTS(SELECT *
+            FROM INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE
+           WHERE CONSTRAINT_COLUMN_USAGE.TABLE_SCHEMA = 'mtc_admin'
+             AND CONSTRAINT_COLUMN_USAGE.TABLE_NAME = 'pupilRestart'
+             AND CONSTRAINT_COLUMN_USAGE.COLUMN_NAME = 'deletedBy_pupilAttendance_id'
+             AND CONSTRAINT_NAME = 'FK_pupilRestart_pupilAttendance_deletedBy_id')
+    BEGIN
+        ALTER TABLE [mtc_admin].[pupilRestart]
+            DROP CONSTRAINT [FK_pupilRestart_pupilAttendance_deletedBy_id];
+    END;
+
+ ALTER TABLE [mtc_admin].[pupilRestart] DROP COLUMN IF EXISTS  [deletedBy_pupilAttendance_id];