diff --git a/etc/psa_tariff/tariff04.json b/etc/psa_tariff/tariff04.json
index 54a7a58..7e4b4a4 100644
--- a/etc/psa_tariff/tariff04.json
+++ b/etc/psa_tariff/tariff04.json
@@ -809,8 +809,8 @@
     {
       "ped_id": 2,
       "ped_label": "Good Friday",
-      "ped_date_start": "2026-04-03",
-      "ped_date_end": "2026-04-03",
+      "ped_date_start": "",
+      "ped_date_end": "",
       "ped_period_special_day_id": 2,
       "ped_year": 0
     },
@@ -825,40 +825,40 @@
     {
       "ped_id": 4,
       "ped_label": "NewYear extended 26",
-      "ped_date_start": "2026-01-02",
-      "ped_date_end": "2026-01-02",
+      "ped_date_start": "",
+      "ped_date_end": "",
       "ped_period_special_day_id": 2,
       "ped_year": 2025
     },
     {
       "ped_id": 5,
       "ped_label": "Easter Sunday",
-      "ped_date_start": "2026-04-05",
-      "ped_date_end": "2026-04-05",
+      "ped_date_start": "",
+      "ped_date_end": "",
       "ped_period_special_day_id": 2,
       "ped_year": 2025
     },
     {
       "ped_id": 6,
       "ped_label": "Easter Monday",
-      "ped_date_start": "2026-04-06",
-      "ped_date_end": "2026-04-06",
+      "ped_date_start": "",
+      "ped_date_end": "",
       "ped_period_special_day_id": 2,
       "ped_year": 2025
     },
     {
       "ped_id": 7,
       "ped_label": "Whit Sunday",
-      "ped_date_start": "2025-06-08",
-      "ped_date_end": "2025-06-08",
+      "ped_date_start": "",
+      "ped_date_end": "",
       "ped_period_special_day_id": 2,
       "ped_year": 2025
     },
     {
       "ped_id": 8,
       "ped_label": "Whit Monday",
-      "ped_date_start": "2026-05-25",
-      "ped_date_end": "2026-05-25",
+      "ped_date_start": "",
+      "ped_date_end": "",
       "ped_period_special_day_id": 2,
       "ped_year": 2025
     },
@@ -978,64 +978,64 @@
 	{
       "ped_id": 30,
       "ped_label": "Saturday 25",
-      "ped_date_start": "2025-12-06",
-      "ped_date_end": "2025-12-06",
+      "ped_date_start": "",
+      "ped_date_end": "",
       "ped_period_special_day_id": 2,
       "ped_year": 0
     },
 	{
       "ped_id": 31,
       "ped_label": "Saturday 25",
-      "ped_date_start": "2025-12-20",
-      "ped_date_end": "2025-12-20",
+      "ped_date_start": "",
+      "ped_date_end": "",
       "ped_period_special_day_id": 2,
       "ped_year": 0
     },
 	{
       "ped_id": 32,
       "ped_label": "Saturday 25",
-      "ped_date_start": "2025-12-27",
-      "ped_date_end": "2025-12-27",
+      "ped_date_start": "",
+      "ped_date_end": "",
       "ped_period_special_day_id": 2,
       "ped_year": 0
     },
 	{
       "ped_id": 33,
       "ped_label": "Saturday 26",
-      "ped_date_start": "2026-01-03",
-      "ped_date_end": "2026-01-03",
+      "ped_date_start": "",
+      "ped_date_end": "",
       "ped_period_special_day_id": 2,
       "ped_year": 0
     },
 	{
       "ped_id": 34,
       "ped_label": "Saturday 26",
-      "ped_date_start": "2026-01-17",
-      "ped_date_end": "2026-01-17",
+      "ped_date_start": "",
+      "ped_date_end": "",
       "ped_period_special_day_id": 2,
       "ped_year": 0
     },
 	{
       "ped_id": 34,
       "ped_label": "Saturday 26",
-      "ped_date_start": "2026-01-24",
-      "ped_date_end": "2026-01-24",
+      "ped_date_start": "",
+      "ped_date_end": "",
       "ped_period_special_day_id": 2,
       "ped_year": 0
     },
 	{
       "ped_id": 35,
       "ped_label": "Saturday 26",
-      "ped_date_start": "2026-01-31",
-      "ped_date_end": "2026-01-31",
+      "ped_date_start": "",
+      "ped_date_end": "",
       "ped_period_special_day_id": 2,
       "ped_year": 0
     },
 	{
       "ped_id": 36,
       "ped_label": "Saturday 26",
-      "ped_date_start": "2026-02-07",
-      "ped_date_end": "2026-02-07",
+      "ped_date_start": "",
+      "ped_date_end": "",
       "ped_period_special_day_id": 2,
       "ped_year": 0
     },