diff --git a/Company.Domain/InstitutionContractAgg/InstitutionContract.cs b/Company.Domain/InstitutionContractAgg/InstitutionContract.cs
index e61770ee..1193023d 100644
--- a/Company.Domain/InstitutionContractAgg/InstitutionContract.cs
+++ b/Company.Domain/InstitutionContractAgg/InstitutionContract.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
 using System.Security.Cryptography;
 using _0_Framework.Domain;
 using Company.Domain.InstitutionContractContactInfoAgg;
@@ -119,26 +120,23 @@ public class InstitutionContract : EntityBase
     public string HasValueAddedTax { get; private set; }
 
     public double ValueAddedTax { get; private set; }
-    
+
     public Guid PublicId { get; private set; }
 
     public string VerifyCode { get; private set; }
     public DateTime VerifyCodeCreation { get; private set; }
-    
-    [NotMapped]
-    public bool VerifyCodeExpired => VerifyCodeCreation.Add(ExpireTime) <= DateTime.Now;
 
-    [NotMapped]
-    public bool CanResendVerifyCode => VerifyCodeCreation.Add(ReSendTime) <= DateTime.Now;
-    
+    [NotMapped] public bool VerifyCodeExpired => VerifyCodeCreation.Add(ExpireTime) <= DateTime.Now;
+
+    [NotMapped] public bool CanResendVerifyCode => VerifyCodeCreation.Add(ReSendTime) <= DateTime.Now;
+
     [NotMapped] public TimeSpan ExpireTime => TimeSpan.FromMinutes(5);
-    
-    
-    
+
+
     [NotMapped] public TimeSpan ReSendTime => TimeSpan.FromMinutes(2);
-    
+
     public bool IsInstallment { get; set; }
-    
+
     public InstitutionContractVerificationStatus VerificationStatus { get; private set; }
 
     public InstitutionContractWorkshopGroup WorkshopGroup { get; private set; }
@@ -254,6 +252,19 @@ public class InstitutionContract : EntityBase
 
 public class InstitutionContractAmendment : EntityBase
 {
+    public InstitutionContractAmendment(long institutionContractId, InstitutionContract institutionContract,
+        List<InstitutionContractInstallment> installments, double amount, bool hasInstallment,
+        InstitutionContractAmendmentChange amendmentChange, long lawId)
+    {
+        InstitutionContractId = institutionContractId;
+        InstitutionContract = institutionContract;
+        Installments = installments is { Count: > 0} ? installments : [];
+        Amount = amount;
+        HasInstallment = hasInstallment;
+        AmendmentChanges = [amendmentChange];
+        LawId = lawId;
+    }
+
     public long InstitutionContractId { get; set; }
     public InstitutionContract InstitutionContract { get; set; }
     public List<InstitutionContractInstallment> Installments { get; set; }
@@ -262,10 +273,38 @@ public class InstitutionContractAmendment : EntityBase
     public string VerifyCode { get; set; }
     public DateTime VerificationCreation { get; set; }
     public List<InstitutionContractAmendmentChange> AmendmentChanges { get; set; }
+
+    public long LawId { get; set; }
+
+    public void SetVerifyCode(string code)
+    {
+        VerifyCode = code;
+        VerificationCreation = DateTime.Now;
+    }
 }
 
 public class InstitutionContractAmendmentChange : EntityBase
 {
+    private InstitutionContractAmendmentChange(long institutionContractAmendmentId,
+        InstitutionContractAmendment institutionContractAmendment, InstitutionContractAmendmentChangeType changeType,
+        DateTime changeDateGr, bool? hasRollCallPlan, bool? hasCustomizeCheckoutPlan, bool? hasContractPlan,
+        bool? hasContractPlanInPerson, bool? hasInsurancePlan, bool? hasInsurancePlanInPerson, int? personnelCount,
+        long? workshopDetailsId)
+    {
+        InstitutionContractAmendmentId = institutionContractAmendmentId;
+        InstitutionContractAmendment = institutionContractAmendment;
+        ChangeType = changeType;
+        ChangeDateGr = changeDateGr;
+        HasRollCallPlan = hasRollCallPlan;
+        HasCustomizeCheckoutPlan = hasCustomizeCheckoutPlan;
+        HasContractPlan = hasContractPlan;
+        HasContractPlanInPerson = hasContractPlanInPerson;
+        HasInsurancePlan = hasInsurancePlan;
+        HasInsurancePlanInPerson = hasInsurancePlanInPerson;
+        PersonnelCount = personnelCount;
+        WorkshopDetailsId = workshopDetailsId;
+    }
+
     public long InstitutionContractAmendmentId { get; private set; }
     public InstitutionContractAmendment InstitutionContractAmendment { get; private set; }
     public InstitutionContractAmendmentChangeType ChangeType { get; private set; }
@@ -310,8 +349,6 @@ public class InstitutionContractAmendmentChange : EntityBase
     /// تعداد کارگاه
     /// </summary>
     public long? WorkshopDetailsId { get; private set; }
-    
-    
 }
 
 public enum InstitutionContractAmendmentChangeType