diff --git a/nHIbernate/Expenses/Expense.cs b/nHIbernate/Expenses/Expense.cs
index f99cc0a..788655b 100644
--- a/nHIbernate/Expenses/Expense.cs
+++ b/nHIbernate/Expenses/Expense.cs
@@ -1,4 +1,6 @@
-namespace FirmTracker_Server.nHibernate.Expenses
+using FirmTracker_Server.nHibernate.Reports;
+
+namespace FirmTracker_Server.nHibernate.Expenses
 {
     public class Expense
     {
@@ -6,5 +8,6 @@
         public virtual DateTime Date { get; set; }
         public virtual decimal Value { get; set; }
         public virtual string Description { get; set; }
+        public virtual IList<Report> Reports { get; set; } = new List<Report>();
     }
 }
diff --git a/nHIbernate/Expenses/ExpenseMapping.cs b/nHIbernate/Expenses/ExpenseMapping.cs
index ad2468d..039a58b 100644
--- a/nHIbernate/Expenses/ExpenseMapping.cs
+++ b/nHIbernate/Expenses/ExpenseMapping.cs
@@ -12,6 +12,12 @@ namespace FirmTracker_Server.nHibernate.Expenses
             Map(x => x.Value);
             Map(x => x.Description);
 
+            HasManyToMany(x => x.Reports)
+            .Cascade.All()
+            .Table("ReportExpenses")
+            .ParentKeyColumn("ExpenseId")
+            .ChildKeyColumn("ReportId");
+
         }
     }
 }
diff --git a/nHIbernate/Reports/Report.cs b/nHIbernate/Reports/Report.cs
index 2597d0b..a763a61 100644
--- a/nHIbernate/Reports/Report.cs
+++ b/nHIbernate/Reports/Report.cs
@@ -1,7 +1,7 @@
 using FirmTracker_Server.nHibernate.Expenses;
 using FirmTracker_Server.nHibernate.Transactions;
 
-namespace FirmTracker_Server.nHIbernate.Reports
+namespace FirmTracker_Server.nHibernate.Reports
 {
     public class Report
     {
diff --git a/nHIbernate/Reports/ReportMapping.cs b/nHIbernate/Reports/ReportMapping.cs
index 5035cc4..e0c0fa2 100644
--- a/nHIbernate/Reports/ReportMapping.cs
+++ b/nHIbernate/Reports/ReportMapping.cs
@@ -1,5 +1,5 @@
 using FluentNHibernate.Mapping;
-namespace FirmTracker_Server.nHIbernate.Reports
+namespace FirmTracker_Server.nHibernate.Reports
 {
     public class ReportMapping : ClassMap<Report>
     {
diff --git a/nHIbernate/SessionFactory.cs b/nHIbernate/SessionFactory.cs
index 6562a29..71f7ad9 100644
--- a/nHIbernate/SessionFactory.cs
+++ b/nHIbernate/SessionFactory.cs
@@ -33,7 +33,8 @@ namespace FirmTracker_Server.nHibernate
                     .AddFromAssemblyOf<Transactions.TransactionProductMapping>()
                     .AddFromAssemblyOf<Transactions.Transaction2Mapping>()
                     .AddFromAssemblyOf<Transactions.TransactionWithProductsMapping>()
-                    .AddFromAssemblyOf<Expenses.ExpenseMapping>();
+                    .AddFromAssemblyOf<Expenses.ExpenseMapping>()
+                    .AddFromAssemblyOf<Reports.ReportMapping>();
                 })
                 .ExposeConfiguration(cfg => new SchemaExport(cfg).Create(true, true))  //SchemaUpdate . Execute  dla only update
                 .BuildSessionFactory();
diff --git a/nHibernate/Transactions/Transaction.cs b/nHibernate/Transactions/Transaction.cs
index 879c033..f860a5d 100644
--- a/nHibernate/Transactions/Transaction.cs
+++ b/nHibernate/Transactions/Transaction.cs
@@ -1,4 +1,5 @@
 using FirmTracker_Server.nHibernate.Products;
+using FirmTracker_Server.nHibernate.Reports;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -15,6 +16,7 @@ namespace FirmTracker_Server.nHibernate.Transactions
         public virtual decimal Discount { get; set; }
         public virtual string Description { get; set; }
         public virtual decimal TotalPrice { get; set; }//=> TransactionProducts.Sum(tp => ((tp.Quantity * tp.UnitPrice)* ((1 - (Discount / 100)))));// (1 - (Discount / 100)));
+        public virtual IList<Report> Reports { get; set; } = new List<Report>();
 
         public Transaction()
         {
diff --git a/nHibernate/Transactions/Transaction2.cs b/nHibernate/Transactions/Transaction2.cs
index f6ef4a0..5400ee9 100644
--- a/nHibernate/Transactions/Transaction2.cs
+++ b/nHibernate/Transactions/Transaction2.cs
@@ -1,4 +1,5 @@
 using FirmTracker_Server.nHibernate.Products;
+using FirmTracker_Server.nHibernate.Reports;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -15,6 +16,7 @@ namespace FirmTracker_Server.nHibernate.Transactions
         public virtual decimal Discount { get; set; }
         public virtual string Description { get; set; }
         public virtual decimal TotalPrice { get; set; }//=> TransactionProducts.Sum(tp => ((tp.Quantity * tp.UnitPrice)* ((1 - (Discount / 100)))));// (1 - (Discount / 100)));
+        public virtual IList<Report> Reports { get; set; } = new List<Report>();
 
         public Transaction2()
         {
diff --git a/nHibernate/Transactions/Transaction2Mapping.cs b/nHibernate/Transactions/Transaction2Mapping.cs
index 931456d..9265f00 100644
--- a/nHibernate/Transactions/Transaction2Mapping.cs
+++ b/nHibernate/Transactions/Transaction2Mapping.cs
@@ -18,6 +18,12 @@ namespace FirmTracker_Server.nHibernate.Transactions
                 .KeyColumn("TransactionId")
                 .Cascade.AllDeleteOrphan()
                 .Inverse(); // Ustawienie Inverse() wskazuje, że to `TransactionProduct` jest właścicielem relacji
+
+            HasManyToMany(x => x.Reports)
+            .Cascade.All()
+            .Table("ReportTransactions")
+            .ParentKeyColumn("TransactionId")
+            .ChildKeyColumn("ReportId");
         }
     }
 }
diff --git a/nHibernate/Transactions/TransactionMapping.cs b/nHibernate/Transactions/TransactionMapping.cs
index 3a24b5b..5aa2966 100644
--- a/nHibernate/Transactions/TransactionMapping.cs
+++ b/nHibernate/Transactions/TransactionMapping.cs
@@ -18,6 +18,12 @@ namespace FirmTracker_Server.nHibernate.Transactions
                 .KeyColumn("TransactionId")
                 .Cascade.AllDeleteOrphan()
                 .Inverse(); // Ustawienie Inverse() wskazuje, że to `TransactionProduct` jest właścicielem relacji
+
+            HasManyToMany(x => x.Reports)
+            .Cascade.All()
+            .Table("ReportTransactions")
+            .ParentKeyColumn("TransactionId")
+            .ChildKeyColumn("ReportId");
         }
     }
 }