diff --git a/AppifySheets.TBC.IntegrationService.Client.Core.sln.DotSettings b/AppifySheets.TBC.IntegrationService.Client.Core.sln.DotSettings
index 4a28027..6baf83c 100644
--- a/AppifySheets.TBC.IntegrationService.Client.Core.sln.DotSettings
+++ b/AppifySheets.TBC.IntegrationService.Client.Core.sln.DotSettings
@@ -1,2 +1,3 @@
 <wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
-	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=TBC/@EntryIndexedValue">TBC</s:String></wpf:ResourceDictionary>
\ No newline at end of file
+	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=TBC/@EntryIndexedValue">TBC</s:String>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=appify/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>
\ No newline at end of file
diff --git a/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/GetAccountMovements/GetAccountMovementsResponseIo.cs b/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/GetAccountMovements/GetAccountMovementsResponseIo.cs
index c3d4404..8bec668 100644
--- a/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/GetAccountMovements/GetAccountMovementsResponseIo.cs
+++ b/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/GetAccountMovements/GetAccountMovementsResponseIo.cs
@@ -16,7 +16,7 @@ public class Pager
 [XmlRoot(ElementName = "result")]
 public class ResultXml
 {
-    [XmlElement(ElementName = "pager")] public Pager Pager { get; init; }
+    [XmlElement(ElementName = "pager")] public required Pager Pager { get; init; }
 
     [XmlElement(ElementName = "totalCount")]
     public int TotalCount { get; init; }
@@ -26,91 +26,91 @@ public class ResultXml
 public class AmountT
 {
     [XmlElement(ElementName = "amount")] public decimal Amount { get; init; }
-    [XmlElement(ElementName = "currency")] public string Currency { get; init; }
+    [XmlElement(ElementName = "currency")] public required string Currency { get; init; }
 }
 
 [XmlRoot(ElementName = "accountMovement")]
 public class AccountMovement
 {
     [XmlElement(ElementName = "movementId")]
-    public string MovementId { get; init; }
+    public required string MovementId { get; init; }
 
     [XmlElement(ElementName = "externalPaymentId")]
-    public string ExternalPaymentId { get; init; }
+    public string? ExternalPaymentId { get; init; }
 
     [XmlElement(ElementName = "debitCredit")]
-    public string DebitCredit { get; init; }
+    public required string DebitCredit { get; init; }
 
     [XmlElement(ElementName = "valueDate")]
     public DateTime ValueDate { get; init; }
 
     [XmlElement(ElementName = "description")]
-    public string Description { get; init; }
+    public required string Description { get; init; }
 
-    [XmlElement(ElementName = "amount")] public AmountT Amount { get; init; }
+    [XmlElement(ElementName = "amount")] public required AmountT Amount { get; init; }
 
     [XmlElement(ElementName = "accountNumber")]
-    public string AccountNumber { get; init; }
+    public string? AccountNumber { get; init; }
 
     [XmlElement(ElementName = "accountName")]
-    public string AccountName { get; init; }
+    public string? AccountName { get; init; }
 
     [XmlElement(ElementName = "additionalInformation")]
-    public string AdditionalInformation { get; init; }
+    public string? AdditionalInformation { get; init; }
 
     [XmlElement(ElementName = "documentDate")]
-    public string DocumentDate { get; init; }
+    public string? DocumentDate { get; init; }
 
     [XmlElement(ElementName = "documentNumber")]
-    public string DocumentNumber { get; init; }
+    public string? DocumentNumber { get; init; }
 
     [XmlElement(ElementName = "partnerAccountNumber")]
-    public string PartnerAccountNumber { get; init; }
+    public string? PartnerAccountNumber { get; init; }
 
     [XmlElement(ElementName = "partnerName")]
-    public string PartnerName { get; init; }
+    public string? PartnerName { get; init; }
 
     [XmlElement(ElementName = "partnerTaxCode")]
-    public string PartnerTaxCode { get; init; }
+    public string? PartnerTaxCode { get; init; }
 
     [XmlElement(ElementName = "partnerBankCode")]
-    public string PartnerBankCode { get; init; }
+    public string? PartnerBankCode { get; init; }
 
     [XmlElement(ElementName = "partnerBank")]
-    public string PartnerBank { get; init; }
+    public string? PartnerBank { get; init; }
 
     [XmlElement(ElementName = "taxpayerCode")]
-    public string TaxpayerCode { get; init; }
+    public string? TaxpayerCode { get; init; }
 
     [XmlElement(ElementName = "taxpayerName")]
-    public string TaxpayerName { get; init; }
+    public string? TaxpayerName { get; init; }
 
     [XmlElement(ElementName = "operationCode")]
-    public string OperationCode { get; init; }
+    public string? OperationCode { get; init; }
 
     [XmlElement(ElementName = "partnerDocumentType")]
-    public string PartnerDocumentType { get; init; }
+    public string? PartnerDocumentType { get; init; }
 
     [XmlElement(ElementName = "statusCode")]
-    public string StatusCode { get; init; }
+    public string? StatusCode { get; init; }
 
     [XmlElement(ElementName = "transactionType")]
-    public string TransactionType { get; init; }
+    public string? TransactionType { get; init; }
 
     [XmlElement(ElementName = "additionalDescription")]
-    public string AdditionalDescription { get; init; }
+    public string? AdditionalDescription { get; init; }
 
     [XmlElement(ElementName = "partnerPersonalNumber")]
-    public string PartnerPersonalNumber { get; init; }
+    public string? PartnerPersonalNumber { get; init; }
 
     [XmlElement(ElementName = "partnerDocumentNumber")]
-    public string PartnerDocumentNumber { get; init; }
+    public string? PartnerDocumentNumber { get; init; }
 
     [XmlElement(ElementName = "paymentId")]
-    public string PaymentId { get; init; }
+    public string? PaymentId { get; init; }
 
     [XmlElement(ElementName = "parentExternalPaymentId")]
-    public string ParentExternalPaymentId { get; init; }
+    public string? ParentExternalPaymentId { get; init; }
 }
 
 [XmlRoot(ElementName = "GetAccountMovementsResponseIo")]
@@ -119,8 +119,8 @@ public class GetAccountMovementsResponseIo : ISoapResponse
     [XmlElement(ElementName = "result")] public ResultXml? ResultXml { get; init; }
 
     [XmlElement(ElementName = "accountMovement")]
-    public List<AccountMovement>? AccountMovement { get; init; }
+    public List<AccountMovement> AccountMovement { get; init; } = [];
 
     [XmlAttribute(AttributeName = "ns2", Namespace = "http://www.w3.org/2000/xmlns/")]
-    public string Ns2 { get; init; }
+    public string? Ns2 { get; init; }
 }
\ No newline at end of file
diff --git a/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/GetPaymentOrderStatus/GetPaymentOrderStatusRequestIo.cs b/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/GetPaymentOrderStatus/GetPaymentOrderStatusRequestIo.cs
index 9acff5a..7bd4212 100644
--- a/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/GetPaymentOrderStatus/GetPaymentOrderStatusRequestIo.cs
+++ b/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/GetPaymentOrderStatus/GetPaymentOrderStatusRequestIo.cs
@@ -3,8 +3,7 @@
 namespace AppifySheets.TBC.IntegrationService.Client.SoapInfrastructure.GetPaymentOrderStatus;
 
 [UsedImplicitly]
-public record GetPaymentOrderStatusRequestIo(int SinglePaymentId)
-    : RequestSoap<GetPaymentOrderStatusResponseIo>
+public record GetPaymentOrderStatusRequestIo(int SinglePaymentId) : RequestSoap<GetPaymentOrderStatusResponseIo>
 {
     public override string SoapXml()
         => $"""
diff --git a/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/GetPaymentOrderStatus/GetPaymentOrderStatusResponseIo.cs b/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/GetPaymentOrderStatus/GetPaymentOrderStatusResponseIo.cs
index 587a938..c5eef81 100644
--- a/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/GetPaymentOrderStatus/GetPaymentOrderStatusResponseIo.cs
+++ b/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/GetPaymentOrderStatus/GetPaymentOrderStatusResponseIo.cs
@@ -8,7 +8,7 @@ public class GetPaymentOrderStatusResponseIo : ISoapResponse
 { 
 
     [XmlElement(ElementName="status")] 
-    public string Status { get; init; }
+    public string? Status { get; init; }
 
     public PaymentStatusEnum PaymentStatus => Status switch
     {
diff --git a/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/ImportSinglePaymentOrders/ImportSinglePaymentOrdersRequestIo.cs b/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/ImportSinglePaymentOrders/ImportSinglePaymentOrdersRequestIo.cs
index f07e7d7..f048fcb 100644
--- a/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/ImportSinglePaymentOrders/ImportSinglePaymentOrdersRequestIo.cs
+++ b/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/ImportSinglePaymentOrders/ImportSinglePaymentOrdersRequestIo.cs
@@ -55,8 +55,6 @@ public override string SoapXml()
 
 public static class UseExtensions
 {
-    public static TY Use<T, TY>(this T t, Func<T, TY> tTy) => tTy(t);
-    
     public static string FormatXml(this string xml)
     {
         try
diff --git a/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/ImportSinglePaymentOrders/TransferTypeInterfaces.cs b/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/ImportSinglePaymentOrders/TransferTypeInterfaces.cs
index d81a33a..938f5a3 100644
--- a/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/ImportSinglePaymentOrders/TransferTypeInterfaces.cs
+++ b/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/ImportSinglePaymentOrders/TransferTypeInterfaces.cs
@@ -26,16 +26,6 @@ public abstract record TransferTypeRecord
     public string? AdditionalDescription => TransferTypeRecordSpecific.AdditionalDescription;
 }
 
-// public interface IDescription
-// {
-//     public string? Description { get; }
-// }
-
-// public interface IAdditionalDescription
-// {
-//     public string? AdditionalDescription { get; }
-// }
-
 public interface IBeneficiaryName
 {
     public string BeneficiaryName { get; }
diff --git a/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/ImportSinglePaymentOrders/TransferTypeRecords.cs b/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/ImportSinglePaymentOrders/TransferTypeRecords.cs
index 2890a0b..d0dd944 100644
--- a/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/ImportSinglePaymentOrders/TransferTypeRecords.cs
+++ b/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/ImportSinglePaymentOrders/TransferTypeRecords.cs
@@ -22,4 +22,4 @@ public record TransferToOtherBankNationalCurrencyPaymentOrderIo(BankAccountWithC
 public record TreasuryTransferPaymentOrderIo(long TreasuryCode) : TransferTypeRecord, ITreasury;
 
 [UsedImplicitly]
-public record TransferToOwnAccountPaymentOrderIo(BankAccountWithCurrencyV RecipientAccountWithCurrency, string Description) : TransferTypeRecord, IRecipient, IBeneficiaryName, IDescription;
\ No newline at end of file
+public record TransferToOwnAccountPaymentOrderIo(BankAccountWithCurrencyV RecipientAccountWithCurrency) : TransferTypeRecord, IRecipient, IBeneficiaryName, IDescription;
\ No newline at end of file
diff --git a/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/PasswordChangeRelated/ChangePasswordResponseIo.cs b/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/PasswordChangeRelated/ChangePasswordResponseIo.cs
index 0fb7a55..757c4f1 100644
--- a/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/PasswordChangeRelated/ChangePasswordResponseIo.cs
+++ b/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/PasswordChangeRelated/ChangePasswordResponseIo.cs
@@ -6,43 +6,44 @@
 // }
 
 using System.Xml.Serialization;
-using AppifySheets.TBC.IntegrationService.Client.SoapInfrastructure;
+
+namespace AppifySheets.TBC.IntegrationService.Client.SoapInfrastructure.PasswordChangeRelated;
 
 [XmlRoot(ElementName="ChangePasswordResponseIo")]
 public class ChangePasswordResponseIo : ISoapResponse { 
 
     [XmlElement(ElementName="message")] 
-    public string Message { get; set; } 
+    public string? Message { get; init; } 
 
     [XmlAttribute(AttributeName="i")] 
-    public string I { get; set; } 
+    public string? I { get; init; } 
 
     [XmlText] 
-    public string Text { get; set; } 
+    public string? Text { get; init; } 
 }
 
 [XmlRoot(ElementName="Body")]
 public class Body { 
 
     [XmlElement(ElementName="ChangePasswordResponseIo")] 
-    public ChangePasswordResponseIo ChangePasswordResponseIo { get; set; } 
+    public ChangePasswordResponseIo? ChangePasswordResponseIo { get; init; } 
 }
 
 [XmlRoot(ElementName="Envelope")]
 public class Envelope { 
 
     [XmlElement(ElementName="Header")] 
-    public object Header { get; set; } 
+    public object? Header { get; init; } 
 
     [XmlElement(ElementName="Body")] 
-    public Body Body { get; set; } 
+    public required Body Body { get; init; } 
 
     [XmlAttribute(AttributeName="SOAP-ENV")] 
-    public string SOAPENV { get; set; } 
+    public string? SOAPENV { get; init; } 
 
     [XmlAttribute(AttributeName="ns2")] 
-    public string Ns2 { get; set; } 
+    public string? Ns2 { get; init; } 
 
     [XmlText] 
-    public string Text { get; set; } 
+    public string? Text { get; init; } 
 }
\ No newline at end of file
diff --git a/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/PostboxMessages/GetPostboxMessagesResponseIo.cs b/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/PostboxMessages/GetPostboxMessagesResponseIo.cs
index 98989c2..c47736c 100644
--- a/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/PostboxMessages/GetPostboxMessagesResponseIo.cs
+++ b/AppifySheets.TBC.IntegrationService.Client/SoapInfrastructure/PostboxMessages/GetPostboxMessagesResponseIo.cs
@@ -14,45 +14,45 @@
 public class AdditionalAttributes { 
 
     [XmlElement(ElementName="name")] 
-    public string Name { get; set; } 
+    public required string Name { get; init; } 
 
     [XmlElement(ElementName="value")] 
-    public DateTime Value { get; set; } 
+    public DateTime Value { get; init; } 
 }
 
 [XmlRoot(ElementName="messages")]
 public class Messages { 
 
     [XmlElement(ElementName="messageId")] 
-    public int MessageId { get; set; } 
+    public int MessageId { get; init; } 
 
     [XmlElement(ElementName="messageText")] 
-    public string MessageText { get; set; } 
+    public required string MessageText { get; init; } 
 
     [XmlElement(ElementName="messageType")] 
-    public string MessageType { get; set; } 
+    public required string MessageType { get; init; } 
 
     [XmlElement(ElementName="messageStatus")] 
-    public string MessageStatus { get; set; } 
+    public required string MessageStatus { get; init; } 
 
     [XmlElement(ElementName="additionalAttributes")] 
-    public List<AdditionalAttributes> AdditionalAttributes { get; set; } 
+    public List<AdditionalAttributes>? AdditionalAttributes { get; init; } 
 }
 
 [XmlRoot(ElementName="GetPostboxMessagesResponseIo")]
 public class GetPostboxMessagesResponseIo : ISoapResponse { 
 
     [XmlElement(ElementName="messages")] 
-    public List<Messages> Messages { get; set; } 
+    public List<Messages>? Messages { get; init; } 
 
     [XmlAttribute(AttributeName="xsi")] 
-    public string Xsi { get; set; } 
+    public string? Xsi { get; init; } 
 
     [XmlAttribute(AttributeName="xsd")] 
-    public string Xsd { get; set; } 
+    public string? Xsd { get; init; } 
 
     [XmlText] 
-    public string Text { get; set; } 
+    public string? Text { get; init; } 
 }
 
 [XmlRoot(ElementName="Root")]
@@ -62,8 +62,8 @@ public class Root {
     public GetPostboxMessagesResponseIo? GetPostboxMessagesResponseIo { get; set; } 
 
     [XmlAttribute(AttributeName="ns2")] 
-    public string Ns2 { get; set; } 
+    public string? Ns2 { get; init; } 
 
     [XmlText] 
-    public string Text { get; set; } 
+    public string? Text { get; init; } 
 }
\ No newline at end of file
diff --git a/AppifySheets.TBC.IntegrationService.Client/TBC_Services/Extensions.cs b/AppifySheets.TBC.IntegrationService.Client/TBC_Services/Extensions.cs
index fbdc3e6..49b8bd7 100644
--- a/AppifySheets.TBC.IntegrationService.Client/TBC_Services/Extensions.cs
+++ b/AppifySheets.TBC.IntegrationService.Client/TBC_Services/Extensions.cs
@@ -22,7 +22,7 @@ static object XmlDeserializeFromString(this string objectData, Type type)
         var serializer = new XmlSerializer(type);
 
         using TextReader reader = new StringReader(objectData);
-        var result = serializer.Deserialize(reader);
+        var result = serializer.Deserialize(reader)!;
 
         return result;
     }