diff --git a/taxes_az/taxes_az/doctype/single_declaration_related_to_salaried_and_non_salaried_work/single_declaration_related_to_salaried_and_non_salaried_work.py b/taxes_az/taxes_az/doctype/single_declaration_related_to_salaried_and_non_salaried_work/single_declaration_related_to_salaried_and_non_salaried_work.py
index 6afd8b6..a85664e 100644
--- a/taxes_az/taxes_az/doctype/single_declaration_related_to_salaried_and_non_salaried_work/single_declaration_related_to_salaried_and_non_salaried_work.py
+++ b/taxes_az/taxes_az/doctype/single_declaration_related_to_salaried_and_non_salaried_work/single_declaration_related_to_salaried_and_non_salaried_work.py
@@ -137,11 +137,19 @@ def get_aggregated_employee_data(company, from_date, to_date):
 			agg["total_deduction"] += flt(ss.total_deduction)
 			agg["net_pay"] += flt(ss.net_pay)
 
+	# Get FIN (passport_number) from Employee doctype
+	employee_ids = list(employee_map.keys())
+	fin_map = {}
+	if employee_ids:
+		fin_data = frappe.get_all("Employee", filters={"name": ["in", employee_ids]}, fields=["name", "passport_number"])
+		fin_map = {d.name: d.passport_number for d in fin_data}
+
 	# Build child table rows with original fieldnames
 	result = []
 	for agg in employee_map.values():
 		child_row = {
 			"soyadadataadı": agg["employee_name"],
+			"fin": fin_map.get(agg["employee"], ""),
 			"gəlirlərcəmi": agg["gross_pay"],
 			# vergiməbləği intentionally not filled
 			"hesablanmışmdsshaqqı": (flt(agg.get(_DSMF_ISCI, 0)) + flt(agg.get(_DSMF_SIRKET, 0))) * 3,