fix: Chnage fieldtype from data to check
diff --git a/erpnext/accounts/doctype/tax_withholding_category/tax_withholding_category.json b/erpnext/accounts/doctype/tax_withholding_category/tax_withholding_category.json
index 331770f..153906f 100644
--- a/erpnext/accounts/doctype/tax_withholding_category/tax_withholding_category.json
+++ b/erpnext/accounts/doctype/tax_withholding_category/tax_withholding_category.json
@@ -94,7 +94,7 @@
   {
    "description": "Checking this will round off the tax amount to the nearest integer",
    "fieldname": "round_off_tax_amount",
-   "fieldtype": "Data",
+   "fieldtype": "Check",
    "label": "Round Off Tax Amount",
    "show_days": 1,
    "show_seconds": 1
@@ -102,7 +102,7 @@
  ],
  "index_web_pages_for_search": 1,
  "links": [],
- "modified": "2021-07-26 21:47:34.396071",
+ "modified": "2021-07-27 21:47:34.396071",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Tax Withholding Category",
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index b891719..3276375 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -294,3 +294,4 @@
 erpnext.patches.v13_0.add_missing_fg_item_for_stock_entry
 erpnext.patches.v13_0.update_subscription_status_in_memberships
 erpnext.patches.v13_0.update_export_type_for_gst
+erpnext.patches.v13_0.update_tds_check_field #3
diff --git a/erpnext/patches/v13_0/update_tds_check_field.py b/erpnext/patches/v13_0/update_tds_check_field.py
new file mode 100644
index 0000000..16bf76d
--- /dev/null
+++ b/erpnext/patches/v13_0/update_tds_check_field.py
@@ -0,0 +1,8 @@
+import frappe
+
+def execute():
+	if frappe.db.has_column("Tax Withholding Category", "round_off_tax_amount"):
+		frappe.db.sql("""
+			UPDATE `tabTax Withholding Category` set round_off_tax_amount = 0
+			WHERE round_off_tax_amount IS NULL
+		""")
\ No newline at end of file