diff --git a/src/main/java/com/ffii/fpsms/modules/master/service/ledgerfix/StockLedgerFixAdjService.kt b/src/main/java/com/ffii/fpsms/modules/master/service/ledgerfix/StockLedgerFixAdjService.kt
index 70d1ad0e..94551d38 100644
--- a/src/main/java/com/ffii/fpsms/modules/master/service/ledgerfix/StockLedgerFixAdjService.kt
+++ b/src/main/java/com/ffii/fpsms/modules/master/service/ledgerfix/StockLedgerFixAdjService.kt
@@ -63,6 +63,7 @@ open class StockLedgerFixAdjService(
         val (adjDate, asOfExclusive) = resolveAdjWindow(adjDateRaw)
         val t0 = System.nanoTime()
         try {
+            support.stampFixActor()
             val plans = planLotAdjs(asOfExclusive)
             var insertedIn = 0
             var insertedOut = 0
@@ -111,7 +112,7 @@ open class StockLedgerFixAdjService(
                 WHERE deleted = 0
                   AND date >= :adjDate AND date < :asOf
                   AND type = 'ADJ'
-                  AND createdBy = 'stock-ledger-fix'
+                  AND createdBy IN ('DNP', 'stock-ledger-fix')
                 """.trimIndent(),
                 mapOf("adjDate" to adjDate, "asOf" to asOfExclusive),
             ).forEach { addLot(support.toLong(it["lotId"]), support.toLongOrNull(it["invId"])) }
@@ -165,6 +166,7 @@ open class StockLedgerFixAdjService(
         val (adjDate, asOfExclusive) = resolveAdjWindow(adjDateRaw)
         val t0 = System.nanoTime()
         try {
+            support.stampFixActor()
             val gaps = loadLotLineInGaps()
             var insertedIn = 0
             val lotIds = linkedSetOf<Long>()
@@ -181,7 +183,7 @@ open class StockLedgerFixAdjService(
                             UPDATE inventory_lot_line
                             SET inQty = outQty,
                                 modified = NOW(),
-                                modifiedBy = 'stock-ledger-fix'
+                                modifiedBy = 'DNP'
                             WHERE id = :id
                               AND IFNULL(deleted, 0) = 0
                               AND COALESCE(outQty, 0) > COALESCE(inQty, 0)
@@ -414,7 +416,7 @@ open class StockLedgerFixAdjService(
               itemId, itemCode, inQty, outQty, balance, lotQtyBefore, lotQtyAfter,
               uomId, type
             ) VALUES (
-              NOW(), 'stock-ledger-fix', 0, NOW(), 'stock-ledger-fix', 0,
+              NOW(), 'DNP', 0, NOW(), 'DNP', 0,
               :adjDate, :silId, :solId, :lotLineId, :inventoryId,
               :itemId, :itemCode, :inQty, :outQty, NULL, NULL, NULL,
               :uomId, 'ADJ'
@@ -448,7 +450,7 @@ open class StockLedgerFixAdjService(
               created, createdBy, version, modified, modifiedBy, deleted,
               code, status, orderDate, completeDate
             ) VALUES (
-              NOW(), 'stock-ledger-fix', 0, NOW(), 'stock-ledger-fix', 0,
+              NOW(), 'DNP', 0, NOW(), 'DNP', 0,
               :code, 'completed', :at, :at
             )
             """.trimIndent(),
@@ -462,7 +464,7 @@ open class StockLedgerFixAdjService(
         val existing = support.jdbcDao.queryForMap(
             """
             SELECT id FROM stock_out
-            WHERE createdBy = 'stock-ledger-fix'
+            WHERE createdBy IN ('DNP', 'stock-ledger-fix')
               AND type = 'ADJ'
               AND remarks = :remarks
               AND IFNULL(deleted, 0) = 0
@@ -481,7 +483,7 @@ open class StockLedgerFixAdjService(
               created, createdBy, version, modified, modifiedBy, deleted,
               type, completeDate, status, remarks, handlerId
             ) VALUES (
-              NOW(), 'stock-ledger-fix', 0, NOW(), 'stock-ledger-fix', 0,
+              NOW(), 'DNP', 0, NOW(), 'DNP', 0,
               'ADJ', :at, 'completed', :remarks, :handlerId
             )
             """.trimIndent(),
@@ -499,14 +501,14 @@ open class StockLedgerFixAdjService(
               stockInLineId, stockOutLineId
             )
             SELECT
-              NOW(), 'stock-ledger-fix', 0, NOW(), 'stock-ledger-fix', 0,
+              NOW(), 'DNP', 0, NOW(), 'DNP', 0,
               sl.itemId,
               LEFT(COALESCE(sl.itemCode, it.code), 50),
               LEFT(it.name, 200),
               LEFT(il.lotNo, 512),
               CASE WHEN sl.stockInLineId IS NOT NULL THEN sl.inQty ELSE NULL END,
               CASE WHEN sl.stockOutLineId IS NOT NULL THEN sl.outQty ELSE NULL END,
-              LEFT(COALESCE(sil.remarks, so.remarks, 'stock-ledger-fix 2.7 ADJ'), 500),
+              'DNP',
               sl.stockInLineId,
               sl.stockOutLineId
             FROM stock_ledger sl
@@ -518,7 +520,7 @@ open class StockLedgerFixAdjService(
             LEFT JOIN stock_out so ON so.id = sol.stockOutId
             WHERE sl.deleted = 0
               AND sl.type = 'ADJ'
-              AND sl.createdBy = 'stock-ledger-fix'
+              AND sl.createdBy IN ('DNP', 'stock-ledger-fix')
               AND (sl.stockInLineId IS NOT NULL OR sl.stockOutLineId IS NOT NULL)
               AND NOT EXISTS (
                 SELECT 1
@@ -555,7 +557,7 @@ open class StockLedgerFixAdjService(
               itemId, itemNo, stockInId, acceptedQty, receiptDate, status,
               inventoryLotId, inventoryLotLineId, lotNo, remarks, type
             ) VALUES (
-              NOW(), 'stock-ledger-fix', 0, NOW(), 'stock-ledger-fix', 0,
+              NOW(), 'DNP', 0, NOW(), 'DNP', 0,
               :itemId, :itemNo, :stockInId, :qty, :at, 'completed',
               :inventoryLotId, :lotLineId, :lotNo, :remarks, 'ADJ'
             )
@@ -595,7 +597,7 @@ open class StockLedgerFixAdjService(
               created, createdBy, version, modified, modifiedBy, deleted,
               itemId, qty, stockOutId, inventoryLotLineId, status, pickTime, type
             ) VALUES (
-              NOW(), 'stock-ledger-fix', 0, NOW(), 'stock-ledger-fix', 0,
+              NOW(), 'DNP', 0, NOW(), 'DNP', 0,
               :itemId, :qty, :stockOutId, :lotLineId, 'completed', :at, 'ADJ'
             )
             """.trimIndent(),
diff --git a/src/main/java/com/ffii/fpsms/modules/master/service/ledgerfix/StockLedgerFixBackfillService.kt b/src/main/java/com/ffii/fpsms/modules/master/service/ledgerfix/StockLedgerFixBackfillService.kt
index 0940d4f3..d3613ed5 100644
--- a/src/main/java/com/ffii/fpsms/modules/master/service/ledgerfix/StockLedgerFixBackfillService.kt
+++ b/src/main/java/com/ffii/fpsms/modules/master/service/ledgerfix/StockLedgerFixBackfillService.kt
@@ -23,6 +23,7 @@ open class StockLedgerFixBackfillService(
             throw IllegalStateException("inventory 1.0 already running")
         }
         try {
+            support.stampFixActor()
             val patchedFromUom = support.jdbcDao.executeUpdate(StockLedgerFixInventorySql.BACKFILL_STOCK_UOM_WHEN_UOM_MATCHES_LOT_SQL)
             val patchedSingleLot = support.jdbcDao.executeUpdate(StockLedgerFixInventorySql.BACKFILL_STOCK_UOM_SINGLE_LOT_SQL)
             val patchedStockUomId = patchedFromUom + patchedSingleLot
@@ -426,7 +427,7 @@ open class StockLedgerFixBackfillService(
             SET
               sl.deleted = 1,
               sl.modified = NOW(),
-              sl.modifiedBy = 'stock-ledger-fix'
+              sl.modifiedBy = 'DNP'
             WHERE sl.deleted = 0
               AND ($dateWhere)
               AND sl.inventoryLotLineId IS NULL
@@ -510,7 +511,7 @@ open class StockLedgerFixBackfillService(
             SET
               sol.inventoryLotLineId = src.lotLineId,
               sol.modified = NOW(),
-              sol.modifiedBy = 'stock-ledger-fix'
+              sol.modifiedBy = 'DNP'
             WHERE IFNULL(sol.deleted, 0) = 0
               AND sol.inventoryLotLineId IS NOT NULL
               AND sol.inventoryLotLineId <> src.lotLineId
@@ -526,7 +527,7 @@ open class StockLedgerFixBackfillService(
               sl.inventoryLotLineId = NULL,
               sl.deleted = 1,
               sl.modified = NOW(),
-              sl.modifiedBy = 'stock-ledger-fix'
+              sl.modifiedBy = 'DNP'
             WHERE sl.deleted = 0
               AND ($dateWhere)
               AND sl.inventoryLotLineId IS NOT NULL
@@ -1136,7 +1137,7 @@ open class StockLedgerFixBackfillService(
                     SET
                       sl.deleted = 1,
                       sl.modified = NOW(),
-                      sl.modifiedBy = 'stock-ledger-fix'
+                      sl.modifiedBy = 'DNP'
                     WHERE sl.deleted = 0
                       AND sl.inventoryLotLineId IS NULL
                     """.trimIndent(),
@@ -1399,7 +1400,7 @@ open class StockLedgerFixBackfillService(
               opening, inQty, outQty, closing
             )
             SELECT
-              NOW(), 'ledger-fix-api', 0, NOW(), 'ledger-fix-api', 0,
+              NOW(), 'DNP', 0, NOW(), 'DNP', 0,
               x.inventoryLotLineId,
               x.itemId,
               x.itemCode,
@@ -1442,7 +1443,7 @@ open class StockLedgerFixBackfillService(
               outQty = VALUES(outQty),
               closing = VALUES(closing),
               modified = NOW(),
-              modifiedBy = 'ledger-fix-api',
+              modifiedBy = 'DNP',
               version = stock_lot_day.version + 1,
               deleted = 0
             """.trimIndent(),
@@ -1605,7 +1606,7 @@ open class StockLedgerFixBackfillService(
             WHERE deleted = 0
               AND date >= :adjDate AND date < :today
               AND type = 'ADJ'
-              AND createdBy = 'stock-ledger-fix'
+              AND createdBy IN ('DNP', 'stock-ledger-fix')
               AND inventoryId IS NOT NULL
             ORDER BY id
             """.trimIndent(),
diff --git a/src/main/java/com/ffii/fpsms/modules/master/service/ledgerfix/StockLedgerFixExportService.kt b/src/main/java/com/ffii/fpsms/modules/master/service/ledgerfix/StockLedgerFixExportService.kt
index 2903c475..f6713c0b 100644
--- a/src/main/java/com/ffii/fpsms/modules/master/service/ledgerfix/StockLedgerFixExportService.kt
+++ b/src/main/java/com/ffii/fpsms/modules/master/service/ledgerfix/StockLedgerFixExportService.kt
@@ -43,6 +43,7 @@ open class StockLedgerFixExportService(
         if (!from.isBefore(toExclusive)) {
             throw IllegalArgumentException("from must be before toExclusive")
         }
+        support.stampFixActor()
         val parts = parseExportParts(partsRaw)
         val want10 = "1.0" in parts
         val want21 = "2.1" in parts
@@ -88,7 +89,7 @@ open class StockLedgerFixExportService(
                     WHERE deleted = 0
                       AND date >= :from AND date < :toExclusive
                       AND type = 'ADJ'
-                      AND createdBy = 'stock-ledger-fix'
+                      AND createdBy IN ('DNP', 'stock-ledger-fix')
                     """.trimIndent(),
                     args,
                 ).firstOrNull()?.get("c"),
@@ -223,7 +224,7 @@ open class StockLedgerFixExportService(
                 SELECT id, modified, modifiedBy
                 FROM inventory
                 WHERE deleted = 1
-                  AND modifiedBy = 'stock-ledger-fix'
+                  AND modifiedBy IN ('DNP', 'stock-ledger-fix')
                 ORDER BY id
             """.trimIndent(),
             tempName = "tmp_sl_fix_inv_del",
@@ -260,7 +261,7 @@ open class StockLedgerFixExportService(
                 SELECT id, inventoryLotLineId, modified, modifiedBy
                 FROM stock_ledger
                 WHERE deleted = 1
-                  AND modifiedBy = 'stock-ledger-fix'
+                  AND modifiedBy IN ('DNP', 'stock-ledger-fix')
                   AND date >= :from AND date < :toExclusive
                 ORDER BY id
             """.trimIndent(),
@@ -286,8 +287,8 @@ open class StockLedgerFixExportService(
             selectSql = """
                 SELECT sol.id, sol.inventoryLotLineId, sol.modified, sol.modifiedBy
                 FROM stock_out_line sol
-                WHERE sol.modifiedBy = 'stock-ledger-fix'
-                  AND IFNULL(sol.createdBy, '') <> 'stock-ledger-fix'
+                WHERE sol.modifiedBy IN ('DNP', 'stock-ledger-fix')
+                  AND IFNULL(sol.createdBy, '') NOT IN ('DNP', 'stock-ledger-fix')
                   AND EXISTS (
                     SELECT 1
                     FROM stock_ledger sl
@@ -444,7 +445,7 @@ open class StockLedgerFixExportService(
             selectSql = """
                 SELECT ill.id, ill.inQty, ill.modified, ill.modifiedBy
                 FROM inventory_lot_line ill
-                WHERE ill.modifiedBy = 'stock-ledger-fix'
+                WHERE ill.modifiedBy IN ('DNP', 'stock-ledger-fix')
                   AND IFNULL(ill.deleted, 0) = 0
                   AND EXISTS (
                     SELECT 1
@@ -453,7 +454,7 @@ open class StockLedgerFixExportService(
                     WHERE sl.inventoryLotLineId = ill.id
                       AND sl.deleted = 0
                       AND sl.type = 'ADJ'
-                      AND sl.createdBy = 'stock-ledger-fix'
+                      AND sl.createdBy IN ('DNP', 'stock-ledger-fix')
                       AND sl.date >= :from AND sl.date < :toExclusive
                       AND sil.remarks = 'stock-ledger-fix 2.7a ADJ'
                   )
@@ -484,7 +485,7 @@ open class StockLedgerFixExportService(
             WHERE sl.deleted = 0
               AND sl.date >= :from AND sl.date < :toExclusive
               AND sl.type = 'ADJ'
-              AND sl.createdBy = 'stock-ledger-fix'
+              AND sl.createdBy IN ('DNP', 'stock-ledger-fix')
             ORDER BY si.id
             """.trimIndent(),
             args,
@@ -510,7 +511,7 @@ open class StockLedgerFixExportService(
             WHERE sl.deleted = 0
               AND sl.date >= :from AND sl.date < :toExclusive
               AND sl.type = 'ADJ'
-              AND sl.createdBy = 'stock-ledger-fix'
+              AND sl.createdBy IN ('DNP', 'stock-ledger-fix')
             ORDER BY sil.id
             """.trimIndent(),
             args,
@@ -538,7 +539,7 @@ open class StockLedgerFixExportService(
             WHERE sl.deleted = 0
               AND sl.date >= :from AND sl.date < :toExclusive
               AND sl.type = 'ADJ'
-              AND sl.createdBy = 'stock-ledger-fix'
+              AND sl.createdBy IN ('DNP', 'stock-ledger-fix')
             ORDER BY so.id
             """.trimIndent(),
             args,
@@ -563,7 +564,7 @@ open class StockLedgerFixExportService(
             WHERE sl.deleted = 0
               AND sl.date >= :from AND sl.date < :toExclusive
               AND sl.type = 'ADJ'
-              AND sl.createdBy = 'stock-ledger-fix'
+              AND sl.createdBy IN ('DNP', 'stock-ledger-fix')
             ORDER BY sol.id
             """.trimIndent(),
             args,
@@ -592,11 +593,11 @@ open class StockLedgerFixExportService(
                 OR (r.stockOutLineId IS NOT NULL AND sl.stockOutLineId = r.stockOutLineId)
               )
             WHERE IFNULL(r.deleted, 0) = 0
-              AND r.createdBy = 'stock-ledger-fix'
+              AND r.createdBy IN ('DNP', 'stock-ledger-fix')
               AND sl.deleted = 0
               AND sl.date >= :from AND sl.date < :toExclusive
               AND sl.type = 'ADJ'
-              AND sl.createdBy = 'stock-ledger-fix'
+              AND sl.createdBy IN ('DNP', 'stock-ledger-fix')
             ORDER BY r.id
             """.trimIndent(),
             args,
@@ -632,7 +633,7 @@ open class StockLedgerFixExportService(
             WHERE deleted = 0
               AND date >= :from AND date < :toExclusive
               AND type = 'ADJ'
-              AND createdBy = 'stock-ledger-fix'
+              AND createdBy IN ('DNP', 'stock-ledger-fix')
             ORDER BY id
             """.trimIndent(),
             args,
diff --git a/src/main/java/com/ffii/fpsms/modules/master/service/ledgerfix/StockLedgerFixInventorySql.kt b/src/main/java/com/ffii/fpsms/modules/master/service/ledgerfix/StockLedgerFixInventorySql.kt
index b7e5a129..f8719ab5 100644
--- a/src/main/java/com/ffii/fpsms/modules/master/service/ledgerfix/StockLedgerFixInventorySql.kt
+++ b/src/main/java/com/ffii/fpsms/modules/master/service/ledgerfix/StockLedgerFixInventorySql.kt
@@ -81,7 +81,7 @@ internal object StockLedgerFixInventorySql {
               i.stockUomId = b.stockUomId,
               i.uomId = COALESCE(baseIu.uomId, i.uomId),
               i.modified = NOW(),
-              i.modifiedBy = 'stock-ledger-fix'
+              i.modifiedBy = 'DNP'
             WHERE IFNULL(i.deleted, 0) = 0
               AND i.stockUomId IS NULL
               AND taken.id IS NULL
@@ -125,7 +125,7 @@ internal object StockLedgerFixInventorySql {
               i.stockUomId = b.stockUomId,
               i.uomId = COALESCE(baseIu.uomId, i.uomId),
               i.modified = NOW(),
-              i.modifiedBy = 'stock-ledger-fix'
+              i.modifiedBy = 'DNP'
             WHERE IFNULL(i.deleted, 0) = 0
               AND i.stockUomId IS NULL
               AND taken.id IS NULL
@@ -149,7 +149,7 @@ internal object StockLedgerFixInventorySql {
               COALESCE(tpl.cpm, 0),
               COALESCE(tpl.cpmUnit, 'HKD'),
               'unavailable',
-              NOW(), 'stock-ledger-fix', NOW(), 'stock-ledger-fix', 0, 0
+              NOW(), 'DNP', NOW(), 'DNP', 0, 0
             FROM (
               SELECT il.itemId, iu.uomId
               FROM inventory_lot_line ill
@@ -202,7 +202,7 @@ internal object StockLedgerFixInventorySql {
             SET
               i.deleted = 1,
               i.modified = NOW(),
-              i.modifiedBy = 'stock-ledger-fix'
+              i.modifiedBy = 'DNP'
             WHERE IFNULL(i.deleted, 0) = 0
               AND i.stockUomId IS NULL
             """
@@ -240,7 +240,7 @@ internal object StockLedgerFixInventorySql {
                 'unavailable'
               ),
               i.modified = NOW(),
-              i.modifiedBy = 'stock-ledger-fix'
+              i.modifiedBy = 'DNP'
             WHERE IFNULL(i.deleted, 0) = 0
             """
 }
diff --git a/src/main/java/com/ffii/fpsms/modules/master/service/ledgerfix/StockLedgerFixSupport.kt b/src/main/java/com/ffii/fpsms/modules/master/service/ledgerfix/StockLedgerFixSupport.kt
index 8d38a460..895fa1ff 100644
--- a/src/main/java/com/ffii/fpsms/modules/master/service/ledgerfix/StockLedgerFixSupport.kt
+++ b/src/main/java/com/ffii/fpsms/modules/master/service/ledgerfix/StockLedgerFixSupport.kt
@@ -109,6 +109,36 @@ open class StockLedgerFixSupport(
         return out
     }
 
+    /**
+     * Rename rows already stamped by this fix to [FIX_ACTOR].
+     * Adjustment-record remarks written by the fix become [FIX_ACTOR] as well.
+     */
+    fun stampFixActor() {
+        jdbcDao.executeUpdate(
+            """
+            UPDATE stock_adjustment_record
+            SET remarks = '$FIX_ACTOR',
+                modified = NOW(),
+                modifiedBy = '$FIX_ACTOR'
+            WHERE IFNULL(remarks, '') LIKE 'stock-ledger-fix%'
+            """.trimIndent(),
+        )
+        FIX_ACTOR_TABLES.forEach { table ->
+            jdbcDao.executeUpdate(
+                "UPDATE $table SET createdBy = '$FIX_ACTOR' WHERE createdBy = 'stock-ledger-fix'",
+            )
+            jdbcDao.executeUpdate(
+                "UPDATE $table SET modifiedBy = '$FIX_ACTOR' WHERE modifiedBy = 'stock-ledger-fix'",
+            )
+        }
+        jdbcDao.executeUpdate(
+            "UPDATE stock_lot_day SET createdBy = '$FIX_ACTOR' WHERE createdBy = 'ledger-fix-api'",
+        )
+        jdbcDao.executeUpdate(
+            "UPDATE stock_lot_day SET modifiedBy = '$FIX_ACTOR' WHERE modifiedBy = 'ledger-fix-api'",
+        )
+    }
+
     fun toInt(value: Any?): Int = when (value) {
         null -> 0
         is Number -> value.toInt()
@@ -144,6 +174,17 @@ open class StockLedgerFixSupport(
     companion object {
         const val INVENTORY_LOCK = "inventory-1.0"
         const val RUN_LOCK = "ledger-fix-run"
+        const val FIX_ACTOR = "DNP"
         private val DAY_STEPS = linkedSetOf("2.1", "2.2", "2.3", "2.4", "2.5", "2.6")
+        private val FIX_ACTOR_TABLES = listOf(
+            "stock_ledger",
+            "inventory",
+            "inventory_lot_line",
+            "stock_in",
+            "stock_in_line",
+            "stock_out",
+            "stock_out_line",
+            "stock_adjustment_record",
+        )
     }
 }