fix: correct from and to statecode in e-waybill for sez invoice.

india_compliance/gst_india/constants/e_waybill.py

@@ -32,6 +32,8 @@
 }
 PERMITTED_DOCTYPES = list(ADDRESS_FIELDS.keys())
 
+BUYING_DOCTYPES = {doctype for doctype, address in ADDRESS_FIELDS.items() if address is buying_address}
+
 CANCEL_REASON_CODES = {
     "Duplicate": "1",
     "Order Cancelled": "2",

india_compliance/gst_india/overrides/test_transaction_data.py

@@ -97,6 +97,7 @@ def test_get_address_details(self):
                 "city": "Test City",
                 "pincode": 380015,
                 "country_code": None,
+                "gst_category": "Registered Regular",
             },
         )
 

india_compliance/gst_india/utils/e_waybill.py

@@ -35,6 +35,7 @@
 )
 from india_compliance.gst_india.constants.e_waybill import (
     ADDRESS_FIELDS,
+    BUYING_DOCTYPES,
     CANCEL_REASON_CODES,
     CONSIGNMENT_STATUS,
     EXTEND_VALIDITY_REASON_CODES,
@@ -1657,10 +1658,16 @@ def set_party_address_details(self):
         self.bill_from = self.get_address_details(address.bill_from)
 
         # Defaults
-        # billing state is changed for SEZ, hence copy()
         self.ship_to = self.bill_to.copy()
         self.ship_from = self.bill_from.copy()
 
+        # for SEZ, e-Waybill API expects billing state as 96 - Other Countries
+        # only billing state (fromStateCode/toStateCode), not shipping (actFromStateCode/actToStateCode)
+        # ERROR CODE: 641, 642
+        for side in (self.bill_from, self.bill_to):
+            if side.gst_category == "SEZ":
+                side.state_number = 96
+
         if has_different_to_address and has_different_from_address:
             transaction_type = 4
             self.ship_to = self.get_address_details(address.ship_to)
@@ -1679,11 +1686,7 @@ def set_party_address_details(self):
         to_party = self.transaction_details.party_name
         from_party = self.transaction_details.company_name
 
-        if self.doc.doctype in (
-            "Purchase Invoice",
-            "Purchase Receipt",
-            "Subcontracting Receipt",
-        ):
+        if self.doc.doctype in BUYING_DOCTYPES:
             to_party, from_party = from_party, to_party
 
         if self.doc.get("is_return"):
@@ -1692,9 +1695,6 @@ def set_party_address_details(self):
         self.bill_to.legal_name = to_party or self.bill_to.address_title
         self.bill_from.legal_name = from_party or self.bill_from.address_title
 
-        if self.doc.gst_category == "SEZ":
-            self.bill_to.state_number = 96
-
     def get_address_details(self, *args, **kwargs):
         address_details = super().get_address_details(*args, **kwargs)
         address_details.state_number = int(address_details.state_number)
@@ -1728,6 +1728,7 @@ def get_transaction_data(self):
         if self.sandbox_mode:
             REGISTERED_GSTIN = "05AAACG2115R1ZN"
             OTHER_GSTIN = "05AAACG2140A1ZL"
+            SEZ_GSTIN = "27AAJCS5738D1Z6"
 
             self.transaction_details.update(
                 {
@@ -1766,12 +1767,18 @@ def _get_sandbox_gstin(address, key):
                 if address.gstin == "URP":
                     return address.gstin
 
-                return sandbox_gstin.get((self.doc.doctype, self.doc.get("is_return") or 0))[key]
+                gstin = sandbox_gstin.get((self.doc.doctype, self.doc.get("is_return") or 0))[key]
+
+                # SEZ party (non-company side) needs a different GSTIN
+                if address.gst_category == "SEZ" and gstin == OTHER_GSTIN:
+                    return SEZ_GSTIN
+
+                return gstin
 
             self.bill_from.gstin = _get_sandbox_gstin(self.bill_from, 0)
             self.bill_to.gstin = _get_sandbox_gstin(self.bill_to, 1)
 
-        if self.doc.get("is_return"):
+        if self.doc.get("is_return") or self.bill_to.gst_category == "SEZ":
             to_state_code = self.bill_to.state_number
         else:
             to_state_code = int(self.transaction_details.pos_state_code)

india_compliance/gst_india/utils/test_e_waybill.py

@@ -1291,6 +1291,117 @@ def test_e_waybill_for_inter_state_sales_return(self):
         self.assertEqual(e_waybill_data.get("supplyType"), "I")
         self.assertEqual(e_waybill_data.get("subSupplyType"), 7)
 
+    @change_settings("GST Settings", {"enable_overseas_transactions": 1})
+    def test_e_waybill_for_sez_outward_invoice(self):
+        si = create_sales_invoice(
+            vehicle_no="GJ07DL9009",
+            company_address="_Test Indian Registered Company-Billing",
+            customer_address="_Test Registered Customer-Billing-1",
+            is_out_state=1,
+            is_export_with_gst=1,
+        )
+
+        e_waybill_data = EWaybillData(si).get_data()
+
+        self.assertEqual(e_waybill_data.get("toStateCode"), 96)
+        self.assertEqual(e_waybill_data.get("fromStateCode"), 24)
+
+    @change_settings("GST Settings", {"enable_overseas_transactions": 1})
+    def test_e_waybill_for_sez_sales_return(self):
+        si = create_sales_invoice(
+            vehicle_no="GJ07DL9009",
+            company_address="_Test Indian Registered Company-Billing",
+            customer_address="_Test Registered Customer-Billing-1",
+            is_out_state=1,
+            is_export_with_gst=1,
+        )
+
+        credit_note = make_return_doc("Sales Invoice", si.name)
+        credit_note.vehicle_no = "GJ07DL9009"
+        credit_note.save()
+        credit_note.submit()
+
+        e_waybill_data = EWaybillData(credit_note).get_data()
+
+        self.assertEqual(e_waybill_data.get("fromStateCode"), 96)
+        self.assertEqual(e_waybill_data.get("toStateCode"), 24)
+
+    @change_settings("GST Settings", {"enable_e_waybill_for_sc": 1})
+    def test_e_waybill_for_sez_stock_entry(self):
+        se = create_transaction(
+            doctype="Stock Entry",
+            stock_entry_type="Send to Subcontractor",
+            purpose="Send to Subcontractor",
+            bill_from_address="_Test Indian Registered Company-Billing",
+            bill_to_address="_Test Registered Customer-Billing-1",
+            vehicle_no="GJ07DL9009",
+            items=[
+                {
+                    "item_code": "_Test Trading Goods 1",
+                    "qty": 1,
+                    "gst_hsn_code": "61149090",
+                    "s_warehouse": "Finished Goods - _TIRC",
+                    "t_warehouse": "Goods In Transit - _TIRC",
+                    "amount": 100,
+                    "taxable_value": 100,
+                }
+            ],
+            company="_Test Indian Registered Company",
+            base_grand_total=100,
+        )
+
+        # reload to trigger onload which sets company_gstin, supplier_gstin
+        se = load_doc("Stock Entry", se.name, "submit")
+
+        e_waybill_data = EWaybillData(se).get_data()
+
+        self.assertEqual(e_waybill_data.get("toStateCode"), 96)
+        self.assertEqual(e_waybill_data.get("fromStateCode"), 24)
+        self.assertEqual(e_waybill_data.get("actToStateCode"), 24)
+
+    @change_settings(
+        "GST Settings",
+        {"enable_e_waybill_from_pi": 1, "enable_overseas_transactions": 1},
+    )
+    def test_e_waybill_for_sez_purchase_invoice(self):
+        pi = create_purchase_invoice(
+            vehicle_no="GJ07DL9009",
+            supplier_address="_Test Registered Supplier-Billing-2",
+            billing_address="_Test Indian Registered Company-Billing",
+            is_out_state=1,
+        )
+
+        e_waybill_data = EWaybillData(pi).get_data()
+
+        # bill_from = supplier (SEZ), bill_to = company
+        self.assertEqual(e_waybill_data.get("fromStateCode"), 96)
+        self.assertEqual(e_waybill_data.get("toStateCode"), 24)
+        self.assertEqual(e_waybill_data.get("actFromStateCode"), 24)
+
+    @change_settings(
+        "GST Settings",
+        {"enable_e_waybill_from_pi": 1, "enable_overseas_transactions": 1},
+    )
+    def test_e_waybill_for_sez_purchase_return(self):
+        pi = create_purchase_invoice(
+            vehicle_no="GJ07DL9009",
+            supplier_address="_Test Registered Supplier-Billing-2",
+            billing_address="_Test Indian Registered Company-Billing",
+            is_out_state=1,
+        )
+
+        debit_note = make_return_doc("Purchase Invoice", pi.name)
+        debit_note.vehicle_no = "GJ07DL9009"
+        debit_note.save()
+        debit_note.submit()
+
+        e_waybill_data = EWaybillData(debit_note).get_data()
+
+        # return swaps from/to: bill_from = company, bill_to = supplier (SEZ)
+        self.assertEqual(e_waybill_data.get("fromStateCode"), 24)
+        self.assertEqual(e_waybill_data.get("toStateCode"), 96)
+        self.assertEqual(e_waybill_data.get("actToStateCode"), 24)
+
     # helper functions
     def _generate_e_waybill(self, docname=None, doctype="Sales Invoice", test_data=None, force=False):
         """

india_compliance/gst_india/utils/transaction_data.py

@@ -387,6 +387,7 @@ def get_address_details(self, address_name, validate_gstin=False):
                 "country",
                 "gstin",
                 "gst_state_number",
+                "gst_category",
             ),
             as_dict=True,
         )
@@ -434,6 +435,7 @@ def get_address_details(self, address_name, validate_gstin=False):
                 ),
                 "pincode": int(address.pincode),
                 "country_code": get_validated_country_code(address.country),
+                "gst_category": address.gst_category,
             }
         )
 

india_compliance/tests/test_records.json

@@ -483,6 +483,23 @@
                 }
             ]
         },
+        {
+            "name": "_Test Registered Supplier-Billing-2",
+            "address_type": "Billing",
+            "address_line1": "Test Address - 7",
+            "city": "Test City",
+            "state": "Gujarat",
+            "pincode": "380015",
+            "country": "India",
+            "gstin": "24AABCR6898M1ZN",
+            "gst_category": "SEZ",
+            "links": [
+                {
+                    "link_doctype": "Supplier",
+                    "link_name": "_Test Registered Supplier"
+                }
+            ]
+        },
         {
             "name": "_Test Registered Composition Supplier-Billing",
             "address_type": "Billing",