diff --git a/Marco.Pms.Services/Controllers/ExpenseController.cs b/Marco.Pms.Services/Controllers/ExpenseController.cs
index b0d367b..4c47fbe 100644
--- a/Marco.Pms.Services/Controllers/ExpenseController.cs
+++ b/Marco.Pms.Services/Controllers/ExpenseController.cs
@@ -297,7 +297,7 @@ namespace Marco.Pms.Services.Controllers
         public async Task<IActionResult> GetAdavncePaymentEmployeeList([FromQuery] string? searchString)
         {
             var loggedInEmployee = await _userHelper.GetCurrentEmployeeAsync();
-            var response = await _expensesService.GetAdavncePaymentEmployeeListAsync(searchString, loggedInEmployee, tenantId);
+            var response = await _expensesService.GetAdvancePaymentEmployeeListAsync(searchString, loggedInEmployee, tenantId);
 
             return StatusCode(response.StatusCode, response);
         }
diff --git a/Marco.Pms.Services/Service/ExpensesService.cs b/Marco.Pms.Services/Service/ExpensesService.cs
index e1a7957..84370e0 100644
--- a/Marco.Pms.Services/Service/ExpensesService.cs
+++ b/Marco.Pms.Services/Service/ExpensesService.cs
@@ -3120,21 +3120,28 @@ namespace Marco.Pms.Services.Service
         #region =================================================================== Advance Payment Functions ===================================================================
         public async Task<ApiResponse<object>> GetAdvancePaymentTransactionAsync(Guid employeeId, Employee loggedInEmployee, Guid tenantId)
         {
+            _logger.LogInfo("Start GetAdvancePaymentTransactionAsync called by EmployeeId: {EmployeeId} for TenantId: {TenantId} and EmployeeId param: {ParamEmployeeId}",
+                loggedInEmployee.Id, tenantId, employeeId);
+
             try
             {
+                // Fetch advance payment transactions for specified employee, including related navigation properties
                 var transactions = await _context.AdvancePaymentTransactions
                     .Include(apt => apt.Project)
-                    .Include(apt => apt.Employee)
-                        .ThenInclude(e => e!.JobRole)
-                    .Include(apt => apt.CreatedBy)
-                        .ThenInclude(e => e!.JobRole)
-                    .Where(apt => apt.EmployeeId == employeeId && apt.IsActive)
+                    .Include(apt => apt.Employee).ThenInclude(e => e!.JobRole)
+                    .Include(apt => apt.CreatedBy).ThenInclude(e => e!.JobRole)
+                    .Where(apt => apt.EmployeeId == employeeId && apt.TenantId == tenantId && apt.IsActive)
                     .OrderByDescending(apt => apt.CreatedAt)
                     .ToListAsync();
 
+                // Check if any transactions found
                 if (transactions == null || !transactions.Any())
+                {
+                    _logger.LogWarning("No advance payment transactions found for EmployeeId: {EmployeeId} in TenantId: {TenantId}.", employeeId, tenantId);
                     return ApiResponse<object>.ErrorResponse("No advance payment transactions found.", null, 404);
+                }
 
+                // Map transactions to view model with formatted FinanceUId
                 var response = transactions.Select(transaction =>
                 {
                     var result = _mapper.Map<AdvancePaymentTransactionVM>(transaction);
@@ -3142,37 +3149,67 @@ namespace Marco.Pms.Services.Service
                     return result;
                 }).ToList();
 
+                _logger.LogInfo("Fetched {Count} advance payment transactions for EmployeeId: {EmployeeId} in TenantId: {TenantId}.", response.Count, employeeId, tenantId);
 
-
-                return ApiResponse<object>.SuccessResponse(response, "Advance payment transaction fetched successfully", 200);
+                return ApiResponse<object>.SuccessResponse(response, "Advance payment transactions fetched successfully.", 200);
             }
             catch (Exception ex)
             {
-                _logger.LogError(ex, "Exception occurred while fetching the list of Advance Payment Transactions.");
+                _logger.LogError(ex, "Exception occurred in GetAdvancePaymentTransactionAsync for EmployeeId: {EmployeeId} in TenantId: {TenantId}: {Message}",
+                    employeeId, tenantId, ex.Message);
                 return ApiResponse<object>.ErrorResponse("Internal exception occurred.", ExceptionMapper(ex), 500);
             }
-        }
-
-        public async Task<ApiResponse<object>> GetAdavncePaymentEmployeeListAsync(string? searchString, Employee loggedInEmployee, Guid tenantId)
-        {
-            var employeeQuery = _context.AdvancePaymentTransactions
-                .Include(apt => apt.Employee)
-                    .ThenInclude(e => e!.JobRole)
-                .Where(apt => apt.TenantId == tenantId && apt.Employee != null)
-                .Select(apt => apt.Employee);
-
-            if (!string.IsNullOrWhiteSpace(searchString))
+            finally
             {
-                employeeQuery = employeeQuery.Where(e => (e.FirstName + e.LastName).Contains(searchString));
+                _logger.LogInfo("End GetAdvancePaymentTransactionAsync called by EmployeeId: {EmployeeId}", loggedInEmployee.Id);
             }
-
-            var employees = await employeeQuery
-                .Distinct()
-                .ToListAsync();
-
-            var response = _mapper.Map<List<BasicEmployeeVM>>(employees);
-            return ApiResponse<object>.SuccessResponse(response, "List of employee having advance payment fetched successfully", 200);
         }
+        public async Task<ApiResponse<object>> GetAdvancePaymentEmployeeListAsync(string? searchString, Employee loggedInEmployee, Guid tenantId)
+        {
+            _logger.LogInfo("Start GetAdvancePaymentEmployeeListAsync called by EmployeeId: {EmployeeId} for TenantId: {TenantId} with SearchString: {SearchString}",
+                loggedInEmployee.Id, tenantId, string.IsNullOrWhiteSpace(searchString) ? "NULL or Empty" : searchString);
+
+            try
+            {
+                // Base query: select employees who have advance payment transactions for the tenant
+                var employeeQuery = _context.AdvancePaymentTransactions
+                    .Include(apt => apt.Employee)
+                        .ThenInclude(e => e!.JobRole)
+                    .Where(apt => apt.TenantId == tenantId && apt.Employee != null)
+                    .Select(apt => apt.Employee!);
+
+                // Apply search filter if provided (concatenate first and last name for full name search)
+                if (!string.IsNullOrWhiteSpace(searchString))
+                {
+                    employeeQuery = employeeQuery.Where(e =>
+                        (e.FirstName + " " + e.LastName).Contains(searchString));
+                }
+
+                // Fetch distinct employees matching criteria
+                var employees = await employeeQuery
+                    .Distinct()
+                    .ToListAsync();
+
+                // Map to response view model
+                var response = _mapper.Map<List<BasicEmployeeVM>>(employees);
+
+                _logger.LogInfo("Fetched {Count} employees with advance payments for TenantId: {TenantId}", employees.Count, tenantId);
+
+                return ApiResponse<object>.SuccessResponse(response, "List of employees having advance payments fetched successfully.", 200);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error in GetAdvancePaymentEmployeeListAsync called by EmployeeId: {EmployeeId} for TenantId: {TenantId}: {Message}",
+                    loggedInEmployee.Id, tenantId, ex.Message);
+
+                return ApiResponse<object>.ErrorResponse("An error occurred while fetching employees with advance payments.", ex.Message, 500);
+            }
+            finally
+            {
+                _logger.LogInfo("End GetAdvancePaymentEmployeeListAsync called by EmployeeId: {EmployeeId}", loggedInEmployee.Id);
+            }
+        }
+
         #endregion
 
         #region =================================================================== Helper Functions ===================================================================
diff --git a/Marco.Pms.Services/Service/ServiceInterfaces/IExpensesService.cs b/Marco.Pms.Services/Service/ServiceInterfaces/IExpensesService.cs
index 201841b..c32c28b 100644
--- a/Marco.Pms.Services/Service/ServiceInterfaces/IExpensesService.cs
+++ b/Marco.Pms.Services/Service/ServiceInterfaces/IExpensesService.cs
@@ -39,7 +39,7 @@ namespace Marco.Pms.Services.Service.ServiceInterfaces
 
         #region =================================================================== Advance Payment Functions ===================================================================
         Task<ApiResponse<object>> GetAdvancePaymentTransactionAsync(Guid id, Employee loggedInEmployee, Guid tenantId);
-        Task<ApiResponse<object>> GetAdavncePaymentEmployeeListAsync(string? searchString, Employee loggedInEmployee, Guid tenantId);
+        Task<ApiResponse<object>> GetAdvancePaymentEmployeeListAsync(string? searchString, Employee loggedInEmployee, Guid tenantId);
         #endregion
 
     }