diff --git a/intrastat_product/models/intrastat_product_declaration.py b/intrastat_product/models/intrastat_product_declaration.py
index f807dd8..4e082dc 100644
--- a/intrastat_product/models/intrastat_product_declaration.py
+++ b/intrastat_product/models/intrastat_product_declaration.py
@@ -984,13 +984,17 @@ class IntrastatProductDeclaration(models.Model):
         """
         return [
             "hs_code",
+            "product_origin_country_code",
             "product_origin_country",
+            "src_dest_country_code",
             "src_dest_country",
             "amount_company_currency",
+            "transaction_code",
             "transaction",
             "weight",
             "suppl_unit_qty",
             "suppl_unit",
+            "transport_code",
             "transport",
             "vat",
         ]
diff --git a/intrastat_product/report/intrastat_product_report_xls.py b/intrastat_product/report/intrastat_product_report_xls.py
index daa63b1..4fdc891 100644
--- a/intrastat_product/report/intrastat_product_report_xls.py
+++ b/intrastat_product/report/intrastat_product_report_xls.py
@@ -41,6 +41,14 @@ class IntrastatProductDeclarationXlsx(models.AbstractModel):
                 },
                 "width": 36,
             },
+            "product_origin_country_code": {
+                "header": {"type": "string", "value": self._("Product C/O Code")},
+                "line": {
+                    "type": "string",
+                    "value": self._render("line.product_origin_country_id.code or ''"),
+                },
+                "width": 28,
+            },
             "product_origin_country": {
                 "header": {"type": "string", "value": self._("Product C/O")},
                 "line": {
@@ -57,6 +65,17 @@ class IntrastatProductDeclarationXlsx(models.AbstractModel):
                 },
                 "width": 14,
             },
+            "src_dest_country_code": {
+                "header": {
+                    "type": "string",
+                    "value": self._("Country of Origin/Destination"),
+                },
+                "line": {
+                    "type": "string",
+                    "value": self._render("line.src_dest_country_id.code"),
+                },
+                "width": 28,
+            },
             "src_dest_country": {
                 "header": {
                     "type": "string",
@@ -96,6 +115,14 @@ class IntrastatProductDeclarationXlsx(models.AbstractModel):
                 },
                 "width": 18,
             },
+            "transaction_code": {
+                "header": {
+                    "type": "string",
+                    "value": self._("Intrastat Transaction code"),
+                },
+                "line": {"value": self._render("line.transaction_id.code")},
+                "width": 36,
+            },
             "transaction": {
                 "header": {"type": "string", "value": self._("Intrastat Transaction")},
                 "line": {"value": self._render("line.transaction_id.display_name")},
@@ -139,6 +166,11 @@ class IntrastatProductDeclarationXlsx(models.AbstractModel):
                 "line": {"value": self._render("line.incoterm_id.name or ''")},
                 "width": 14,
             },
+            "transport_code": {
+                "header": {"type": "string", "value": self._("Transport Mode Code")},
+                "line": {"value": self._render("line.transport_id.code or ''")},
+                "width": 14,
+            },
             "transport": {
                 "header": {"type": "string", "value": self._("Transport Mode")},
                 "line": {"value": self._render("line.transport_id.name or ''")},