diff --git a/EnvelopeGenerator.Application/EmailTemplates/Commands/Update/UpdateEmailTemplateCommandHandler.cs b/EnvelopeGenerator.Application/EmailTemplates/Commands/Update/UpdateEmailTemplateCommandHandler.cs
index 2ca6e643..6afc0441 100644
--- a/EnvelopeGenerator.Application/EmailTemplates/Commands/Update/UpdateEmailTemplateCommandHandler.cs
+++ b/EnvelopeGenerator.Application/EmailTemplates/Commands/Update/UpdateEmailTemplateCommandHandler.cs
@@ -1,7 +1,7 @@
 using AutoMapper;
 using DigitalData.Core.Abstraction.Application.Repository;
 using EnvelopeGenerator.Application.Dto;
-using EnvelopeGenerator.Application.Exceptions;
+using DigitalData.Core.Exceptions;
 using EnvelopeGenerator.Domain;
 using EnvelopeGenerator.Domain.Entities;
 using MediatR;
diff --git a/EnvelopeGenerator.Application/EnvelopeGenerator.Application.csproj b/EnvelopeGenerator.Application/EnvelopeGenerator.Application.csproj
index 031ae9a6..f1c96702 100644
--- a/EnvelopeGenerator.Application/EnvelopeGenerator.Application.csproj
+++ b/EnvelopeGenerator.Application/EnvelopeGenerator.Application.csproj
@@ -17,6 +17,7 @@
 		<PackageReference Include="DigitalData.Core.Abstraction.Application" Version="1.1.0" />
 		<PackageReference Include="DigitalData.Core.Application" Version="3.4.0" />
 		<PackageReference Include="DigitalData.Core.Client" Version="2.1.0" />
+		<PackageReference Include="DigitalData.Core.Exceptions" Version="1.1.0" />
 		<PackageReference Include="DigitalData.EmailProfilerDispatcher" Version="3.1.1" />
 		<PackageReference Include="MediatR" Version="12.5.0" />
 		<PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="7.0.18" />
diff --git a/EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReadEnvelopeReceiverQuery.cs b/EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReadEnvelopeReceiverQuery.cs
index bdfddd2b..0c758c27 100644
--- a/EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReadEnvelopeReceiverQuery.cs
+++ b/EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReadEnvelopeReceiverQuery.cs
@@ -1,6 +1,6 @@
 using EnvelopeGenerator.Application.Dto.EnvelopeReceiver;
 using EnvelopeGenerator.Application.Envelopes.Queries;
-using EnvelopeGenerator.Application.Exceptions;
+using DigitalData.Core.Exceptions;
 using EnvelopeGenerator.Application.Extensions;
 using EnvelopeGenerator.Application.Receivers.Queries;
 using EnvelopeGenerator.Extensions;
diff --git a/EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReceiverAlreadySignedQuery.cs b/EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReceiverAlreadySignedQuery.cs
index 37880420..3d6dd3cc 100644
--- a/EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReceiverAlreadySignedQuery.cs
+++ b/EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReceiverAlreadySignedQuery.cs
@@ -1,5 +1,5 @@
 using DigitalData.Core.Abstraction.Application.Repository;
-using EnvelopeGenerator.Application.Exceptions;
+using DigitalData.Core.Exceptions;
 using EnvelopeGenerator.Domain;
 using EnvelopeGenerator.Domain.Entities;
 using EnvelopeGenerator.Extensions;
diff --git a/EnvelopeGenerator.Application/Exceptions/BadRequestException.cs b/EnvelopeGenerator.Application/Exceptions/BadRequestException.cs
deleted file mode 100644
index ce45ba75..00000000
--- a/EnvelopeGenerator.Application/Exceptions/BadRequestException.cs
+++ /dev/null
@@ -1,22 +0,0 @@
-namespace EnvelopeGenerator.Application.Exceptions;
-
-/// <summary>
-/// Represents an exception that is thrown when a bad request is encountered.
-/// </summary>
-public class BadRequestException : Exception
-{
-    /// <summary>
-    /// Initializes a new instance of the <see cref="BadRequestException"/> class.
-    /// </summary>
-    public BadRequestException()
-    {
-    }
-
-    /// <summary>
-    /// Initializes a new instance of the <see cref="BadRequestException"/> class with a specified error message.
-    /// </summary>
-    /// <param name="message">The message that describes the error.</param>
-    public BadRequestException(string? message) : base(message)
-    {
-    }
-}
diff --git a/EnvelopeGenerator.Application/Exceptions/NotFoundException.cs b/EnvelopeGenerator.Application/Exceptions/NotFoundException.cs
deleted file mode 100644
index 67b58ef3..00000000
--- a/EnvelopeGenerator.Application/Exceptions/NotFoundException.cs
+++ /dev/null
@@ -1,22 +0,0 @@
-namespace EnvelopeGenerator.Application.Exceptions;
-
-/// <summary>
-/// Represents an exception that is thrown when a requested resource is not found.
-/// </summary>
-public class NotFoundException : Exception
-{
-    /// <summary>
-    /// Initializes a new instance of the <see cref="NotFoundException"/> class.
-    /// </summary>
-    public NotFoundException()
-    {
-    }
-
-    /// <summary>
-    /// Initializes a new instance of the <see cref="NotFoundException"/> class with a specified error message.
-    /// </summary>
-    /// <param name="message">The message that describes the error.</param>
-    public NotFoundException(string? message) : base(message)
-    {
-    }
-}
diff --git a/EnvelopeGenerator.Application/Extensions/TaskExtensions.cs b/EnvelopeGenerator.Application/Extensions/TaskExtensions.cs
index afa1bc6c..b08e839b 100644
--- a/EnvelopeGenerator.Application/Extensions/TaskExtensions.cs
+++ b/EnvelopeGenerator.Application/Extensions/TaskExtensions.cs
@@ -1,4 +1,4 @@
-using EnvelopeGenerator.Application.Exceptions;
+using DigitalData.Core.Exceptions;
 
 namespace EnvelopeGenerator.Application.Extensions;
 
diff --git a/EnvelopeGenerator.Application/Histories/Queries/Read/ReadHistoryQueryHandler.cs b/EnvelopeGenerator.Application/Histories/Queries/Read/ReadHistoryQueryHandler.cs
index 287ab40a..ddc88001 100644
--- a/EnvelopeGenerator.Application/Histories/Queries/Read/ReadHistoryQueryHandler.cs
+++ b/EnvelopeGenerator.Application/Histories/Queries/Read/ReadHistoryQueryHandler.cs
@@ -1,6 +1,6 @@
 using AutoMapper;
 using EnvelopeGenerator.Application.Interfaces.Repositories;
-using EnvelopeGenerator.Application.Exceptions;
+using DigitalData.Core.Exceptions;
 using MediatR;
 
 namespace EnvelopeGenerator.Application.Histories.Queries.Read;
diff --git a/EnvelopeGenerator.Application/SQL/DocumentCreateReadSQL.cs b/EnvelopeGenerator.Application/SQL/DocumentCreateReadSQL.cs
index fd61166f..41986eda 100644
--- a/EnvelopeGenerator.Application/SQL/DocumentCreateReadSQL.cs
+++ b/EnvelopeGenerator.Application/SQL/DocumentCreateReadSQL.cs
@@ -1,6 +1,6 @@
 using Dapper;
 using EnvelopeGenerator.Application.Interfaces.SQLExecutor;
-using EnvelopeGenerator.Application.Exceptions;
+using DigitalData.Core.Exceptions;
 using EnvelopeGenerator.Domain.Entities;
 
 namespace EnvelopeGenerator.Application.SQL;
diff --git a/EnvelopeGenerator.GeneratorAPI/Controllers/EmailTemplateController.cs b/EnvelopeGenerator.GeneratorAPI/Controllers/EmailTemplateController.cs
index 752a1a1d..e11b886a 100644
--- a/EnvelopeGenerator.GeneratorAPI/Controllers/EmailTemplateController.cs
+++ b/EnvelopeGenerator.GeneratorAPI/Controllers/EmailTemplateController.cs
@@ -10,7 +10,7 @@ using EnvelopeGenerator.Application.Dto;
 using MediatR;
 using System.Threading.Tasks;
 using DigitalData.UserManager.Application.Services;
-using EnvelopeGenerator.Application.Exceptions;
+using DigitalData.Core.Exceptions;
 
 namespace EnvelopeGenerator.GeneratorAPI.Controllers;
 
diff --git a/EnvelopeGenerator.GeneratorAPI/Middleware/ExceptionHandlingMiddleware.cs b/EnvelopeGenerator.GeneratorAPI/Middleware/ExceptionHandlingMiddleware.cs
index f9d700a1..4b2e7218 100644
--- a/EnvelopeGenerator.GeneratorAPI/Middleware/ExceptionHandlingMiddleware.cs
+++ b/EnvelopeGenerator.GeneratorAPI/Middleware/ExceptionHandlingMiddleware.cs
@@ -1,6 +1,6 @@
 namespace EnvelopeGenerator.GeneratorAPI.Middleware;
 
-using EnvelopeGenerator.Application.Exceptions;
+using DigitalData.Core.Exceptions;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Logging;
 using System.Net;
diff --git a/EnvelopeGenerator.Infrastructure/Repositories/EnvlopeReceiverRepository.cs b/EnvelopeGenerator.Infrastructure/Repositories/EnvlopeReceiverRepository.cs
index 024c02c6..9ff90935 100644
--- a/EnvelopeGenerator.Infrastructure/Repositories/EnvlopeReceiverRepository.cs
+++ b/EnvelopeGenerator.Infrastructure/Repositories/EnvlopeReceiverRepository.cs
@@ -2,7 +2,7 @@
 using EnvelopeGenerator.Domain.Entities;
 using EnvelopeGenerator.Application.Interfaces.Repositories;
 using Microsoft.EntityFrameworkCore;
-using EnvelopeGenerator.Application.Exceptions;
+using DigitalData.Core.Exceptions;
 using EnvelopeGenerator.Domain;
 
 namespace EnvelopeGenerator.Infrastructure.Repositories;