diff --git a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.json b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.json
index 18b66375e99..739bd671f79 100644
--- a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.json
+++ b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.json
@@ -127,7 +127,6 @@
   "write_off_cost_center",
   "advances_section",
   "allocate_advances_automatically",
-  "adjust_advance_taxes",
   "get_advances",
   "advances",
   "payment_schedule_section",
@@ -1326,13 +1325,6 @@
    "label": "Project",
    "options": "Project"
   },
-  {
-   "default": "0",
-   "description": "Taxes paid while advance payment will be adjusted against this invoice",
-   "fieldname": "adjust_advance_taxes",
-   "fieldtype": "Check",
-   "label": "Adjust Advance Taxes"
-  },
   {
    "depends_on": "eval:doc.is_internal_supplier",
    "description": "Unrealized Profit / Loss account for intra-company transfers",
@@ -1378,7 +1370,7 @@
  "idx": 204,
  "is_submittable": 1,
  "links": [],
- "modified": "2021-03-09 21:12:30.422084",
+ "modified": "2021-03-30 21:45:58.334107",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Purchase Invoice",
diff --git a/erpnext/accounts/utils.py b/erpnext/accounts/utils.py
index 89a05b187d1..5a64e27ccb7 100644
--- a/erpnext/accounts/utils.py
+++ b/erpnext/accounts/utils.py
@@ -406,9 +406,10 @@ def check_if_advance_entry_modified(args):
 		throw(_("""Payment Entry has been modified after you pulled it. Please pull it again."""))
 
 def validate_allocated_amount(args):
+	precision = args.get('precision') or frappe.db.get_single_value("System Settings", "currency_precision")
 	if args.get("allocated_amount") < 0:
 		throw(_("Allocated amount cannot be negative"))
-	elif args.get("allocated_amount") > args.get("unadjusted_amount"):
+	elif flt(args.get("allocated_amount"), precision) > flt(args.get("unadjusted_amount"), precision):
 		throw(_("Allocated amount cannot be greater than unadjusted amount"))
 
 def update_reference_in_journal_entry(d, jv_obj):
diff --git a/erpnext/controllers/accounts_controller.py b/erpnext/controllers/accounts_controller.py
index 36d399cf196..33fbf1c0b98 100644
--- a/erpnext/controllers/accounts_controller.py
+++ b/erpnext/controllers/accounts_controller.py
@@ -659,6 +659,7 @@ class AccountsController(TransactionBase):
 					'dr_or_cr': dr_or_cr,
 					'unadjusted_amount': flt(d.advance_amount),
 					'allocated_amount': flt(d.allocated_amount),
+					'precision': d.precision('advance_amount'),
 					'exchange_rate': (self.conversion_rate
 						if self.party_account_currency != self.company_currency else 1),
 					'grand_total': (self.base_grand_total