diff --git a/.gitignore b/.gitignore
index a48d585a4..fa687ccad 100644
--- a/.gitignore
+++ b/.gitignore
@@ -384,3 +384,6 @@ terraform.rc*
 !terraform.tfvars.example
 .terraform/
 backend.vars
+
+# Stackify
+Stackify.json
\ No newline at end of file
diff --git a/Dfe.Academies.Academisation.Data/AcademisationContext.cs b/Dfe.Academies.Academisation.Data/AcademisationContext.cs
index 36eb1172c..6818c78b9 100644
--- a/Dfe.Academies.Academisation.Data/AcademisationContext.cs
+++ b/Dfe.Academies.Academisation.Data/AcademisationContext.cs
@@ -1,16 +1,12 @@
-using System.Reflection.Emit;
-using Dfe.Academies.Academisation.Data.ConversionAdvisoryBoardDecisionAggregate;
+using Dfe.Academies.Academisation.Data.ConversionAdvisoryBoardDecisionAggregate;
 using Dfe.Academies.Academisation.Data.ProjectAggregate;
 using Dfe.Academies.Academisation.Domain.ApplicationAggregate;
 using Dfe.Academies.Academisation.Domain.ApplicationAggregate.Schools;
 using Dfe.Academies.Academisation.Domain.ApplicationAggregate.Trusts;
-using Dfe.Academies.Academisation.Domain.ConversionAdvisoryBoardDecisionAggregate;
-using Dfe.Academies.Academisation.Domain.Core.ApplicationAggregate;
 using Dfe.Academies.Academisation.Domain.SeedWork;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.ChangeTracking;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
-using Microsoft.IdentityModel.Tokens;
 
 namespace Dfe.Academies.Academisation.Data;
 
@@ -32,6 +28,7 @@ public AcademisationContext(DbContextOptions<AcademisationContext> options) : ba
 	public DbSet<FormTrust> FormTrusts { get; set; } = null!; // done
 
 	public DbSet<ProjectState> Projects { get; set; } = null!;
+	public DbSet<ProjectNoteState> ProjectNotes { get; set; } = null!;
 	public DbSet<ConversionAdvisoryBoardDecisionState> ConversionAdvisoryBoardDecisions { get; set; } = null!;
 
 	public override int SaveChanges()
@@ -162,6 +159,7 @@ protected override void OnModelCreating(ModelBuilder modelBuilder)
 	private static void ConfigureProject(EntityTypeBuilder<ProjectState> projectConfiguration)
 	{
 		projectConfiguration.ToTable("Project", DEFAULT_SCHEMA);
+
 		projectConfiguration
 			.HasMany(x => x.Notes)
 			.WithOne()
diff --git a/Dfe.Academies.Academisation.Data/ProjectAggregate/ProjectNoteState.cs b/Dfe.Academies.Academisation.Data/ProjectAggregate/ProjectNoteState.cs
index a0b708b83..3e9715290 100644
--- a/Dfe.Academies.Academisation.Data/ProjectAggregate/ProjectNoteState.cs
+++ b/Dfe.Academies.Academisation.Data/ProjectAggregate/ProjectNoteState.cs
@@ -10,5 +10,6 @@ public class ProjectNoteState
 		public string? Note { get; set; }
 		public string? Author { get; set; }
 		public DateTime? Date { get; set; }
+		public int ProjectId { get; set; }
 	}
 }
diff --git a/Dfe.Academies.Academisation.Data/ProjectAggregate/ProjectUpdateDataCommand.cs b/Dfe.Academies.Academisation.Data/ProjectAggregate/ProjectUpdateDataCommand.cs
index 6d441c041..b293c8373 100644
--- a/Dfe.Academies.Academisation.Data/ProjectAggregate/ProjectUpdateDataCommand.cs
+++ b/Dfe.Academies.Academisation.Data/ProjectAggregate/ProjectUpdateDataCommand.cs
@@ -19,7 +19,8 @@ public async Task Execute(IProject project)
 
 		await _context.Projects.SingleAsync(p => p.Id == project.Id);
 
-		_context.ReplaceTracked(projectState);
+		_context.ReplaceTracked(projectState)
+			.Collection(x => x.Notes!).IsModified = false;
 
 		await _context.SaveChangesAsync();
 	}
diff --git a/Dfe.Academies.Academisation.Service.UnitTest/Commands/Legacy/Project/LegacyProjectAddNoteCommandTests.cs b/Dfe.Academies.Academisation.Service.UnitTest/Commands/Legacy/Project/LegacyProjectAddNoteCommandTests.cs
index c1a86caec..a50399aae 100644
--- a/Dfe.Academies.Academisation.Service.UnitTest/Commands/Legacy/Project/LegacyProjectAddNoteCommandTests.cs
+++ b/Dfe.Academies.Academisation.Service.UnitTest/Commands/Legacy/Project/LegacyProjectAddNoteCommandTests.cs
@@ -1,4 +1,8 @@
-using Dfe.Academies.Academisation.Core;
+using AutoFixture;
+using Dfe.Academies.Academisation.Core;
+using Dfe.Academies.Academisation.Data;
+using Dfe.Academies.Academisation.Data.ProjectAggregate;
+using Dfe.Academies.Academisation.Data.UnitTest.Contexts;
 using Dfe.Academies.Academisation.Domain.Core.ProjectAggregate;
 using Dfe.Academies.Academisation.IData.ProjectAggregate;
 using Dfe.Academies.Academisation.IDomain.ProjectAggregate;
@@ -12,20 +16,36 @@ namespace Dfe.Academies.Academisation.Service.UnitTest.Commands.Legacy.Project
 {
 	public class LegacyProjectAddNoteCommandTests
 	{
-		private readonly Mock<IProjectGetDataQuery> _projectGetDataQuery;
-		private readonly Mock<IProjectUpdateDataCommand> _projectUpdateDataCommand;
 		private readonly LegacyProjectAddNoteModel _addNoteModel;
+		private readonly AcademisationContext _context;
+		private readonly Mock<IProjectGetDataQuery> _projectGetDataQuery;
 
 		public LegacyProjectAddNoteCommandTests()
 		{
+			ProjectState projectState = new Fixture().Create<ProjectState>();
+
+			var testProjectContext = new TestProjectContext();
+			_context = testProjectContext.CreateContext();
+
+			_context.Projects.Add(projectState);
+			_context.SaveChanges();
+
 			_projectGetDataQuery = new Mock<IProjectGetDataQuery>();
-			_projectUpdateDataCommand = new Mock<IProjectUpdateDataCommand>();
-			_addNoteModel = new LegacyProjectAddNoteModel("Subject", "Note", "Author", DateTime.Today, 1234);
+			_addNoteModel = new LegacyProjectAddNoteModel(
+				"Subject",
+				"Note",
+				"Author",
+				DateTime.Today,
+				projectState.Id
+			);
 		}
 
 		private LegacyProjectAddNoteCommand System_under_test()
 		{
-			return new LegacyProjectAddNoteCommand(_projectGetDataQuery.Object, _projectUpdateDataCommand.Object);
+			return new LegacyProjectAddNoteCommand(
+				_projectGetDataQuery.Object,
+				_context
+			);
 		}
 
 		[Fact]
@@ -38,11 +58,19 @@ public async Task Should_return_not_found_result_if_the_specified_project_does_n
 			LegacyProjectAddNoteCommand command = System_under_test();
 
 			CommandResult result =
-			await command.Execute(_addNoteModel);
-
-			_projectUpdateDataCommand.Verify(x => x.Execute(It.IsAny<IProject>()), Times.Never);
+				await command.Execute(_addNoteModel);
 
 			result.Should().BeOfType<NotFoundCommandResult>();
+
+			_context.ProjectNotes.Should().NotContainEquivalentOf(
+				new ProjectNoteState
+				{
+					Date = _addNoteModel.Date,
+					Subject = _addNoteModel.Subject,
+					Author = _addNoteModel.Author,
+					Note = _addNoteModel.Note,
+					ProjectId = _addNoteModel.ProjectId
+				}, x => x.Excluding(q => q.Id));
 		}
 
 		[Fact]
@@ -58,8 +86,15 @@ public async Task Should_add_the_new_note_to_the_project()
 
 			await command.Execute(_addNoteModel with { ProjectId = project.Id });
 
-			project.Details.Notes
-				.Should().ContainEquivalentOf(new ProjectNote("Subject", "Note", "Author", _addNoteModel.Date));
+			_context.ProjectNotes.Should().ContainEquivalentOf(
+				new ProjectNoteState
+				{
+					Date = _addNoteModel.Date,
+					Subject = _addNoteModel.Subject,
+					Author = _addNoteModel.Author,
+					Note = _addNoteModel.Note,
+					ProjectId = _addNoteModel.ProjectId
+				}, x => x.Excluding(q => q.Id));
 		}
 
 		[Fact]
@@ -75,8 +110,6 @@ public async Task Should_save_the_amended_project()
 
 			CommandResult result = await command.Execute(_addNoteModel with { ProjectId = project.Id });
 
-			_projectUpdateDataCommand.Verify(x => x.Execute(project), Times.Once());
-
 			result.Should().BeOfType<CommandSuccessResult>();
 		}
 	}
diff --git a/Dfe.Academies.Academisation.Service.UnitTest/Dfe.Academies.Academisation.Service.UnitTest.csproj b/Dfe.Academies.Academisation.Service.UnitTest/Dfe.Academies.Academisation.Service.UnitTest.csproj
index 2162bd0f5..c5b84ed8c 100644
--- a/Dfe.Academies.Academisation.Service.UnitTest/Dfe.Academies.Academisation.Service.UnitTest.csproj
+++ b/Dfe.Academies.Academisation.Service.UnitTest/Dfe.Academies.Academisation.Service.UnitTest.csproj
@@ -21,6 +21,7 @@
 
   <ItemGroup>
 	 <ProjectReference Include="..\Dfe.Academies.Academisation.Core\Dfe.Academies.Academisation.Core.csproj" />
+	 <ProjectReference Include="..\Dfe.Academies.Academisation.Data.UnitTest\Dfe.Academies.Academisation.Data.UnitTest.csproj" />
 	 <ProjectReference Include="..\Dfe.Academies.Academisation.Domain\Dfe.Academies.Academisation.Domain.csproj" />
 	 <ProjectReference Include="..\Dfe.Academies.Academisation.IDomain\Dfe.Academies.Academisation.IDomain.csproj" />
     <ProjectReference Include="..\Dfe.Academies.Academisation.Service\Dfe.Academies.Academisation.Service.csproj" />
diff --git a/Dfe.Academies.Academisation.Service/Commands/Legacy/Project/LegacyProjectAddNoteCommand.cs b/Dfe.Academies.Academisation.Service/Commands/Legacy/Project/LegacyProjectAddNoteCommand.cs
index 4a4e31539..96d6850c5 100644
--- a/Dfe.Academies.Academisation.Service/Commands/Legacy/Project/LegacyProjectAddNoteCommand.cs
+++ b/Dfe.Academies.Academisation.Service/Commands/Legacy/Project/LegacyProjectAddNoteCommand.cs
@@ -1,21 +1,22 @@
 using Dfe.Academies.Academisation.Core;
+using Dfe.Academies.Academisation.Data;
+using Dfe.Academies.Academisation.Data.ProjectAggregate;
 using Dfe.Academies.Academisation.IData.ProjectAggregate;
 using Dfe.Academies.Academisation.IDomain.ProjectAggregate;
 using Dfe.Academies.Academisation.IService.Commands.Legacy.Project;
 using Dfe.Academies.Academisation.IService.ServiceModels.Legacy.ProjectAggregate;
-using Dfe.Academies.Academisation.Service.Extensions;
 
 namespace Dfe.Academies.Academisation.Service.Commands.Legacy.Project
 {
 	public class LegacyProjectAddNoteCommand : ILegacyProjectAddNoteCommand
 	{
 		private readonly IProjectGetDataQuery _projectGetDataQuery;
-		private readonly IProjectUpdateDataCommand _projectUpdateDataCommand;
+		private readonly AcademisationContext _context;
 
-		public LegacyProjectAddNoteCommand(IProjectGetDataQuery projectGetDataQuery, IProjectUpdateDataCommand projectUpdateDataCommand)
+		public LegacyProjectAddNoteCommand(IProjectGetDataQuery projectGetDataQuery, AcademisationContext context)
 		{
 			_projectGetDataQuery = projectGetDataQuery;
-			_projectUpdateDataCommand = projectUpdateDataCommand;
+			_context = context;
 		}
 
 		public async Task<CommandResult> Execute(LegacyProjectAddNoteModel model)
@@ -24,8 +25,16 @@ public async Task<CommandResult> Execute(LegacyProjectAddNoteModel model)
 
 			if (project is null) return new NotFoundCommandResult();
 
-			project.Details.Notes.Add(model.ToProjectNote());
-			await _projectUpdateDataCommand.Execute(project);
+			_context.ProjectNotes.Add(new ProjectNoteState
+			{
+				Author = model.Author,
+				Date = model.Date,
+				Subject = model.Subject,
+				Note = model.Note,
+				ProjectId = model.ProjectId
+			});
+
+			await _context.SaveChangesAsync();
 
 			return new CommandSuccessResult();
 		}