diff --git a/ecs/jskult-batch-daily/src/batch/laundering/emp_chg_inst_laundering.py b/ecs/jskult-batch-daily/src/batch/laundering/emp_chg_inst_laundering.py
index e9d77529..f78ece9b 100644
--- a/ecs/jskult-batch-daily/src/batch/laundering/emp_chg_inst_laundering.py
+++ b/ecs/jskult-batch-daily/src/batch/laundering/emp_chg_inst_laundering.py
@@ -15,16 +15,14 @@ def exec():
         db.connect()
         logger.debug('##########################')
         logger.debug('START Changing Employee in charge of institution PGM.')
-        # 業務日付を取得
-        syor_date = batch_context.syor_date
         # `emp_chg_inst_lau`をTruncate
         _truncate_emp_chg_inst_lau(db)
         # emp_chg_inst から、`emp_chg_inst_lau`へInsert
         _insert_into_emp_chg_inst_lau_from_emp_chg_inst(db)
-        # vop_hco_merge_vから、emp_chg_inst_lauをUpdate
-        _update_emp_chg_inst_lau_from_vop_hco_merge_v(db, syor_date)
-        # dcf_inst_mergeから、emp_chg_inst_lauをUpdate
-        _update_dcf_inst_merge_from_emp_chg_inst_lau(db, syor_date)
+        # v_inst_merge_tから、emp_chg_inst_lauをUpdate
+        _update_emp_chg_inst_lau_from_v_inst_merge_t(db)
+        # inst_merge_tから、emp_chg_inst_lauをUpdate
+        _update_emp_chg_inst_lau_from_inst_merge_t(db)
         logger.debug('##########################')
         logger.debug('End All Processing PGM.')
     except Exception as e:
@@ -81,8 +79,8 @@ def _insert_into_emp_chg_inst_lau_from_emp_chg_inst(db: Database):
     return
 
 
-def _update_emp_chg_inst_lau_from_vop_hco_merge_v(db: Database, syor_date: str):
-    # vop_hco_merge_vはデータが作られないため、この洗い替え処理は基本空振りする
+def _update_emp_chg_inst_lau_from_v_inst_merge_t(db: Database):
+    # v_inst_merge_tの元となるvop_hco_merge_vはデータが作られないため、この洗い替え処理は基本空振りする
     logger.debug("##########################")
     try:
         select_result = db.execute_select(
@@ -90,93 +88,19 @@ def _update_emp_chg_inst_lau_from_vop_hco_merge_v(db: Database, syor_date: str):
             SELECT
                 COUNT(v_inst_cd) AS row_count
             FROM
-                src05.vop_hco_merge_v
-            WHERE
-                STR_TO_DATE(apply_dt, '%Y-%m-%d') <= :syor_date
-            """,
-            {'syor_date': syor_date}
+                internal05.v_inst_merge_t
+            """
         )
     except Exception as e:
-        logger.debug("Error! `vop_hco_merge_v` Table count error!")
+        logger.debug("Error! `v_inst_merge_t` Table count error!")
         raise e
     count = [row for row in select_result][0]['row_count']
     if count == 0:
-        logger.info('vop_hco_merge_v Table Data is not exists!')
+        logger.info('v_inst_merge_t Table Data is not exists!')
         return
 
-    logger.info('vop_hco_merge_v Table Data is exists!')
-    # vop_hco_merge_v から、emp_chg_inst_lauをUpdateします
-    result = db.execute_select(
-        """
-        SELECT
-            v_inst_cd,
-            v_inst_cd_merg
-        FROM
-            src05.vop_hco_merge_v
-        WHERE
-            STR_TO_DATE(apply_dt, '%Y-%m-%d') <= :syor_date
-        ORDER BY
-            STR_TO_DATE(apply_dt, '%Y-%m-%d') ASC
-        """,
-        {'syor_date': syor_date}
-    )
-    for row in result:
-        v_inst_cd = row['v_inst_cd']
-        v_inst_cd_merge = row['v_inst_cd_merg']
-        try:
-            elapsed_time = ElapsedTime()
-            update_sql = """
-                UPDATE
-                    emp_chg_inst_lau
-                SET
-                    inst_cd = :v_inst_merge,
-                    lua_ope_dt = SYSDATE()
-                WHERE
-                    inst_cd = :v_inst_cd;
-            """
-            update_result = db.execute(
-                update_sql,
-                {'v_inst_cd': v_inst_cd, 'v_inst_cd_merg': v_inst_cd_merge}
-            )
-            logging_sql(logger, update_sql)
-            logger.info(f'Query OK, {update_result.rowcount} rows affected ({elapsed_time.of})')
-        except Exception as e:
-            logger.debug(f"emp_chg_inst_lau v_inst_cd could not set from {v_inst_cd_merge} to {v_inst_cd_merge}!")
-            raise e
-        logger.debug(f"Success! emp_chg_inst_lau v_inst_cd was set from {v_inst_cd} to {v_inst_cd_merge}!")
-        return
-
-
-def _update_dcf_inst_merge_from_emp_chg_inst_lau(db: Database, syor_date: str):
-    # dcf_inst_mergeから、emp_chg_inst_lauをUpdate
-    # Get count from DCF_INST_MERGE
-    logger.debug("##########################")
-    try:
-        select_result = db.execute_select(
-            """
-            SELECT
-                COUNT(dcf_inst_cd) AS row_count
-            FROM
-                src05.dcf_inst_merge
-            WHERE
-                    muko_flg = '0'
-                AND dcf_inst_cd_new IS NOT NULL
-                AND enabled_flg = 'Y'
-                AND STR_TO_DATE(CONCAT(tekiyo_month, '01'), '%Y%m%d') <= :syor_date
-            """,
-            {'syor_date': syor_date}
-        )
-    except Exception as e:
-        logger.debug("Error! Getting Count of dcf_inst_merge was failed!")
-        raise e
-
-    count = [row for row in select_result][0]['row_count']
-    if count == 0:
-        logger.info('dcf_inst_merge Table Data is not exists!')
-        return
-
-    logger.debug('dcf_inst_merge Table Data is exists!')
-    # dcf_inst_mergeから、emp_chg_inst_lauをUpdate
+    logger.info('v_inst_merge_t Table Data is exists!')
+    # v_inst_merge_t から、emp_chg_inst_lauをUpdateします
     logger.debug("##########################")
     logger.debug("#### UPDATE DATA #########")
     logger.debug("##########################")
@@ -184,29 +108,64 @@ def _update_dcf_inst_merge_from_emp_chg_inst_lau(db: Database, syor_date: str):
         elapsed_time = ElapsedTime()
         update_sql = """
             UPDATE
-                src05.emp_chg_inst_lau el,
-                (
-                    SELECT
-                        dcf_inst_cd,
-                        dcf_inst_cd_new
-                    FROM
-                        src05.dcf_inst_merge
-                    WHERE
-                            muko_flg = '0'
-                        AND dcf_inst_cd_new IS NOT NULL
-                        AND enabled_flg = 'Y'
-                        AND STR_TO_DATE(CONCAT(tekiyo_month, '01'), '%Y%m%d') <= :syor_date
-                ) dm
+                src05.emp_chg_inst_lau el, internal05.v_inst_merge_t vimt
             SET
-                el.inst_cd = dm.dcf_inst_cd_new,
+                el.inst_cd = vimt.v_inst_cd_merge,
                 el.lua_ope_dt = SYSDATE()
             WHERE
-                el.inst_cd = dm.dcf_inst_cd
+                el.inst_cd = vimt.v_inst_cd
         """
-        res = db.execute(
-            update_sql,
-            {'syor_date': syor_date}
-        )
+        res = db.execute(update_sql)
+        logging_sql(logger, update_sql)
+        logger.info(f'Query OK, {res.rowcount} rows affected ({elapsed_time.of})')
+    except Exception as e:
+        logger.debug("emp_chg_inst_lau.v_inst_cd could not set!")
+        raise e
+
+    logger.debug("emp_chg_inst_lau.v_inst_cd was set!")
+
+    return
+
+
+def _update_emp_chg_inst_lau_from_inst_merge_t(db: Database):
+    # inst_merge_tから、emp_chg_inst_lauをUpdate
+    # Get count from INST_MERGE_T
+    logger.debug("##########################")
+    try:
+        select_result = db.execute_select(
+            """
+            SELECT
+                COUNT(dcf_dsf_inst_cd) AS row_count
+            FROM
+                internal05.inst_merge_t
+            """
+        )
+    except Exception as e:
+        logger.debug("Error! Getting Count of internal05.inst_merge_t was failed!")
+        raise e
+
+    count = [row for row in select_result][0]['row_count']
+    if count == 0:
+        logger.info('inst_merge_t Table Data is not exists!')
+        return
+
+    logger.debug('inst_merge_t Table Data is exists!')
+    # inst_merge_tから、emp_chg_inst_lauをUpdate
+    logger.debug("##########################")
+    logger.debug("#### UPDATE DATA #########")
+    logger.debug("##########################")
+    try:
+        elapsed_time = ElapsedTime()
+        update_sql = """
+            UPDATE
+                src05.emp_chg_inst_lau el, internal05.inst_merge_t imt
+            SET
+                el.inst_cd = imt.dup_opp_cd,
+                el.lua_ope_dt = SYSDATE()
+            WHERE
+                el.inst_cd = imt.dcf_dsf_inst_cd
+        """
+        res = db.execute(update_sql)
         logging_sql(logger, update_sql)
         logger.info(f'Query OK, {res.rowcount} rows affected ({elapsed_time.of})')
     except Exception as e: