diff --git a/Collaborateur_Epa_Back/espacecollab.backend.api/Controllers/AgencesController.cs b/Collaborateur_Epa_Back/espacecollab.backend.api/Controllers/AgencesController.cs
index 0882ab5..30521cd 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.api/Controllers/AgencesController.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.api/Controllers/AgencesController.cs
@@ -1,11 +1,25 @@
 using espacecollab.backend.appservices;
 using espacecollab.backend.appservices.dtos;
+using Microsoft.AspNetCore.Mvc;
 
 namespace espacecollab.backend.api.Controllers;
 
 public class AgencesController : BaseController<AgenceApiDto>
-{
-    public AgencesController(AgenceService agenceService) : base(agenceService)
+{ 
+    private AgenceService AgenceServices { get; }
+
+    public AgencesController(AgenceService agenceServices) : base(agenceServices)
     {
+        AgenceServices = agenceServices;
+    }
+
+    [HttpGet("agences/{agenceId:int:min(1)}")]
+    public ActionResult<IEnumerable<AgenceApiDto>> GetAgencesByBusinessUnit(uint businessUnitId)
+    {
+        IEnumerable<AgenceApiDto> agences = AgenceServices.GetAgencesByBusinessUnit(businessUnitId);
+        if (!agences.Any())
+            return NotFound();
+
+        return Ok(agences);
     }
 }
\ No newline at end of file
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.api/Controllers/BaseController.cs b/Collaborateur_Epa_Back/espacecollab.backend.api/Controllers/BaseController.cs
index 1a1589b..b5bb33c 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.api/Controllers/BaseController.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.api/Controllers/BaseController.cs
@@ -32,7 +32,7 @@ namespace espacecollab.backend.api.Controllers
         }
 
         [HttpPost]
-        public ActionResult<TO> Add(TO apiDto)
+        public virtual ActionResult<TO> Add(TO apiDto)
         {
             TO? addedApiDto = Services.Add(apiDto);
             if (addedApiDto == null)
@@ -52,7 +52,7 @@ namespace espacecollab.backend.api.Controllers
         }
 
         [HttpPut("{id:int:min(1)}")]
-        public ActionResult<TO> Update(uint id, TO apiDto)
+        public virtual ActionResult<TO> Update(uint id, TO apiDto)
         {
             if (apiDto.Id != id)
                 return Unauthorized();
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.api/Controllers/BusinessUnitsController.cs b/Collaborateur_Epa_Back/espacecollab.backend.api/Controllers/BusinessUnitsController.cs
index 9cba3bf..271f69a 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.api/Controllers/BusinessUnitsController.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.api/Controllers/BusinessUnitsController.cs
@@ -8,21 +8,9 @@ namespace espacecollab.backend.api.Controllers
     //[ApiController]
     public class BusinessUnitsController : BaseController<BusinessUnitApiDto>
     {
-        private BusinessUnitService BusinessUnitServices { get; }
-
         public BusinessUnitsController(BusinessUnitService businessUnitServices) : base(businessUnitServices)
         {
-            BusinessUnitServices = businessUnitServices;
         }
 
-        [HttpGet("agences/{agenceId:int:min(1)}")]
-        public ActionResult<IEnumerable<BusinessUnitApiDto>> GetBusinessUnitsByAgence(uint agenceId)
-        {
-            IEnumerable<BusinessUnitApiDto> businessUnits = BusinessUnitServices.GetBusinessUnitsByAgence(agenceId);
-            if (!businessUnits.Any())
-                return NotFound();
-
-            return Ok(businessUnits);
-        }
     }
 }
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.api/Controllers/CollaborateursController.cs b/Collaborateur_Epa_Back/espacecollab.backend.api/Controllers/CollaborateursController.cs
index 3b8af84..fe0a556 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.api/Controllers/CollaborateursController.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.api/Controllers/CollaborateursController.cs
@@ -13,6 +13,54 @@ public class CollaborateursController : BaseController<CollaborateurApiDto>
         CollaborateursServices = collaborateursServices;
     }
 
+    [HttpPost]
+    public override ActionResult<CollaborateurApiDto> Add(CollaborateurApiDto apiDto)
+    {
+        (CollaborateurApiDto?,int) addedApiDto = CollaborateursServices.Add(apiDto);
+        if (addedApiDto.Item1 == null)
+        {
+            if(addedApiDto.Item2 == 1)
+            {
+                return Conflict("Erreur lors de la création du collaborateur : Le mail Apside renseigné est déjà utilisé pour un autre collaborateur.");
+            }
+            else if (addedApiDto.Item2 == 2)
+            {
+                return ValidationProblem("Erreur lors de la création du collaborateur : Erreur de validation de l'entité.");
+            }
+            else
+                return Problem("Erreur lors de la création du collaborateur : Problème interne");
+        }
+            
+        return Ok(addedApiDto.Item1);
+    }
+
+    [HttpPut("{id:int:min(1)}")]
+    public override ActionResult<CollaborateurApiDto> Update(uint id, CollaborateurApiDto apiDto)
+    {
+        if (apiDto.Id != id)
+            return Unauthorized();
+
+        (CollaborateurApiDto?, int) updatedApiDto = CollaborateursServices.Update(apiDto);
+        if (updatedApiDto.Item1 == null)
+        {
+            if (updatedApiDto.Item2 == 1)
+            {
+                return NoContent();
+            }
+            else if (updatedApiDto.Item2 == 2)
+            {
+                return Conflict("Erreur lors de la mise à jour du collaborateur : Le mail Apside renseigné est déjà utilisé pour un autre collaborateur.");
+            }
+            else if (updatedApiDto.Item2 == 3)
+            {
+                return ValidationProblem("Erreur lors de la mise à jour du collaborateur : Erreur de validation de l'entité.");
+            }
+            else return Problem();
+        }
+
+        return Ok(updatedApiDto);
+
+    }
     [HttpGet("businessunit/{businessUnitId:int:min(1)}")]
     public ActionResult<IEnumerable<CollaborateurApiDto>> GetCollaborateursByBusinessUnit(uint businessUnitId)
     {
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.api/Register.cs b/Collaborateur_Epa_Back/espacecollab.backend.api/Register.cs
index 088cd8e..569bc08 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.api/Register.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.api/Register.cs
@@ -21,8 +21,8 @@ internal static class Register
         if (contextOptions.LoadFake)
         {
             services.AddSingleton<ICollaborateurRepository, FakeCollaborateurRepository>();
-            services.AddSingleton<IAgenceRepository, FakeAgenceRepository>();
-            services.AddSingleton<IBusinessUnitRepository, FakeBusinessUnitRepository>();
+            //services.AddSingleton<IAgenceRepository, FakeAgenceRepository>();
+            //services.AddSingleton<IBusinessUnitRepository, FakeBusinessUnitRepository>();
             services.AddSingleton<IFonctionRepository, FakeFonctionRepository>();
             services.AddSingleton<IPeriodeEssaiRepository, FakePeriodeEssaiRepository>();
         }
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.appservices.dtos/AgenceApiDto.cs b/Collaborateur_Epa_Back/espacecollab.backend.appservices.dtos/AgenceApiDto.cs
index 630761b..b1e54c0 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.appservices.dtos/AgenceApiDto.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.appservices.dtos/AgenceApiDto.cs
@@ -2,7 +2,7 @@
 
 namespace espacecollab.backend.appservices.dtos;
 
-public record AgenceApiDto(uint Id, string Name) : IGenericIdApiDto
+public record AgenceApiDto(uint Id, string Name, uint BusinessUnitId) : IGenericIdApiDto
 {
     public uint Id { get; set; } = Id;
 }
\ No newline at end of file
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.appservices.dtos/BusinessUnitApiDto.cs b/Collaborateur_Epa_Back/espacecollab.backend.appservices.dtos/BusinessUnitApiDto.cs
index 64a1ddf..affc044 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.appservices.dtos/BusinessUnitApiDto.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.appservices.dtos/BusinessUnitApiDto.cs
@@ -2,7 +2,7 @@
 
 namespace espacecollab.backend.appservices.dtos;
 
-public record BusinessUnitApiDto(uint Id, string Name, uint AgenceId) : IGenericIdApiDto
+public record BusinessUnitApiDto(uint Id, string Name) : IGenericIdApiDto
 {
     public uint Id { get; set; } = Id;
 }
\ No newline at end of file
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.appservices.dtos/Mappers/AgenceMapper.cs b/Collaborateur_Epa_Back/espacecollab.backend.appservices.dtos/Mappers/AgenceMapper.cs
index bb078b5..13830a8 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.appservices.dtos/Mappers/AgenceMapper.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.appservices.dtos/Mappers/AgenceMapper.cs
@@ -6,10 +6,10 @@ public static class AgenceMapper
 {
     public static AgenceApiDto ToApi(this AgenceSqlDto agenceSqlDto)
     {
-        return new AgenceApiDto((uint)agenceSqlDto.Id, agenceSqlDto.Name);
+        return new AgenceApiDto((uint)agenceSqlDto.Id, agenceSqlDto.Name,(uint)agenceSqlDto.BusinessUnitId);
     }
     public static AgenceSqlDto ToSql(this AgenceApiDto agenceApiDto)
     {
-        return new AgenceSqlDto((int)agenceApiDto.Id, agenceApiDto.Name);
+        return new AgenceSqlDto((int)agenceApiDto.Id, agenceApiDto.Name, (int)agenceApiDto.BusinessUnitId);
     }
 }
\ No newline at end of file
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.appservices.dtos/Mappers/BusinessUnitMapper.cs b/Collaborateur_Epa_Back/espacecollab.backend.appservices.dtos/Mappers/BusinessUnitMapper.cs
index 983558a..945e350 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.appservices.dtos/Mappers/BusinessUnitMapper.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.appservices.dtos/Mappers/BusinessUnitMapper.cs
@@ -6,10 +6,10 @@ public static class BusinessUnitMapper
 {
     public static BusinessUnitApiDto ToApi(this BusinessUnitSqlDto businessUnitSqlDto)
     {
-        return new BusinessUnitApiDto((uint)businessUnitSqlDto.Id, businessUnitSqlDto.Name, (uint)businessUnitSqlDto.AgenceId);
+        return new BusinessUnitApiDto((uint)businessUnitSqlDto.Id, businessUnitSqlDto.Name);
     }
     public static BusinessUnitSqlDto ToSql(this BusinessUnitApiDto businessUnitApiDto)
     {
-        return new BusinessUnitSqlDto((int)businessUnitApiDto.Id, businessUnitApiDto.Name, (int)businessUnitApiDto.AgenceId);
+        return new BusinessUnitSqlDto((int)businessUnitApiDto.Id, businessUnitApiDto.Name);
     }
 }
\ No newline at end of file
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.appservices.dtos/Mappers/CollaborateurApiDtoMapper.cs b/Collaborateur_Epa_Back/espacecollab.backend.appservices.dtos/Mappers/CollaborateurMapper.cs
similarity index 100%
rename from Collaborateur_Epa_Back/espacecollab.backend.appservices.dtos/Mappers/CollaborateurApiDtoMapper.cs
rename to Collaborateur_Epa_Back/espacecollab.backend.appservices.dtos/Mappers/CollaborateurMapper.cs
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.appservices/AgenceService.cs b/Collaborateur_Epa_Back/espacecollab.backend.appservices/AgenceService.cs
index e081882..5a863a1 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.appservices/AgenceService.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.appservices/AgenceService.cs
@@ -7,8 +7,16 @@ namespace espacecollab.backend.appservices;
 
 public class AgenceService : GenericsServices<AgenceSqlDto, AgenceApiDto>
 {
+    private IAgenceRepository AgenceRepository { get; }
+
     public AgenceService(IAgenceRepository agenceRepository)
             : base(agenceRepository, AgenceMapper.ToApi, AgenceMapper.ToSql)
     {
+        AgenceRepository = agenceRepository;    
+    }
+
+    public IEnumerable<AgenceApiDto> GetAgencesByBusinessUnit(uint businessUnitId)
+    {
+        return AgenceRepository.GetAgencesByBusinessUnit((int)businessUnitId).Select(bu => bu.ToApi());
     }
 }
\ No newline at end of file
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.appservices/BusinessUnitService.cs b/Collaborateur_Epa_Back/espacecollab.backend.appservices/BusinessUnitService.cs
index fd306c0..343be55 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.appservices/BusinessUnitService.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.appservices/BusinessUnitService.cs
@@ -7,14 +7,9 @@ namespace espacecollab.backend.appservices;
 
 public class BusinessUnitService : GenericsServices<BusinessUnitSqlDto, BusinessUnitApiDto>
 {
-    private IBusinessUnitRepository BusinessUnitRepository { get; }
-
     public BusinessUnitService(IBusinessUnitRepository businessUnitRepository)
             :base(businessUnitRepository, BusinessUnitMapper.ToApi, BusinessUnitMapper.ToSql)
     {}
 
-    public IEnumerable<BusinessUnitApiDto> GetBusinessUnitsByAgence(uint agenceId)
-    {
-        return BusinessUnitRepository.GetBusinessUnitsByAgence((int)agenceId).Select(bu => bu.ToApi());
-    }
+    
 }
\ No newline at end of file
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.appservices/CollaborateursService.cs b/Collaborateur_Epa_Back/espacecollab.backend.appservices/CollaborateursService.cs
index 81796f9..4bacdd1 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.appservices/CollaborateursService.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.appservices/CollaborateursService.cs
@@ -15,6 +15,43 @@ public class CollaborateursService : GenericsServices<CollaborateurSqlDto, Colla
         CollaborateurRepository = collaborateurRepository;
     }
 
+    public (CollaborateurApiDto?,int) Add(CollaborateurApiDto apiDto)
+    {
+        if(GetAll().Where(collab => apiDto.ApsideMail == collab.ApsideMail).Any())
+        {
+            return (null,1);
+        }
+
+        CollaborateurSqlDto sqlDto = apiDto.ToSql();
+
+        CollaborateurSqlDto? entitySqlValidation = CollaborateurRepository.Add(sqlDto);
+        if (entitySqlValidation == null)
+            return (null,2);
+
+        return (entitySqlValidation.ToApi(),0);
+    }
+
+    public (CollaborateurApiDto?,int) Update(CollaborateurApiDto apiDto)
+    {
+        if (GetById(apiDto.Id) == null)
+            return (null,1);
+
+        if (GetAll().Where(collab => apiDto.ApsideMail == collab.ApsideMail && apiDto.Id != collab.Id).Any())
+        {
+            return (null,2);
+        }
+
+
+
+        CollaborateurSqlDto sqlDto = apiDto.ToSql();
+        CollaborateurSqlDto? sqlDtoValidation = CollaborateurRepository.Update(sqlDto);
+
+        if (sqlDtoValidation == null)
+            return (null,3);
+
+        return (sqlDtoValidation.ToApi(),0);
+    }
+
     public IEnumerable<CollaborateurApiDto> GetCollaborateursByBusinessUnit(uint businessUnitId)
     {
         return CollaborateurRepository.GetCollaborateursByBusinessUnit((int)businessUnitId).Select(collaborateurSql => collaborateurSql.ToApi());
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.appservices/GenericsServices.cs b/Collaborateur_Epa_Back/espacecollab.backend.appservices/GenericsServices.cs
index 72d8693..1fea564 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.appservices/GenericsServices.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.appservices/GenericsServices.cs
@@ -34,7 +34,7 @@ public abstract class GenericsServices<T, TO> : IGenericsServices<TO> where T :
         return MapperToApiDto(entity);
     }
 
-    public TO? Add(TO apiDto)
+    public virtual TO? Add(TO apiDto)
     {
         T sqlDto = MapperToSqlDto(apiDto);
 
@@ -45,7 +45,7 @@ public abstract class GenericsServices<T, TO> : IGenericsServices<TO> where T :
         return MapperToApiDto(entitySqlValidation);
     }
 
-    public TO? Update(TO apiDto)
+    public virtual TO? Update(TO apiDto)
     {
         if (GetById(apiDto.Id) == null)
             return null;
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.fake/FakeAgenceRepository.cs b/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.fake/FakeAgenceRepository.cs
index a13a56d..a8aa967 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.fake/FakeAgenceRepository.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.fake/FakeAgenceRepository.cs
@@ -3,14 +3,14 @@ using espacecollab.backend.infrastructure.sql.dtos;
 
 namespace espacecollab.backend.infrastructure.fake;
 
-public class FakeAgenceRepository : GenericFakeRepository<AgenceSqlDto>, IAgenceRepository
-{
-    public FakeAgenceRepository()
-    {
-        Context = new List<AgenceSqlDto>
-        {
-            new(1, "Tours"),
-            new(2, "Clermont-Ferrand")
-        };
-    }
-}
\ No newline at end of file
+//public class FakeAgenceRepository : GenericFakeRepository<AgenceSqlDto>, IAgenceRepository
+//{
+//    public FakeAgenceRepository()
+//    {
+//        Context = new List<AgenceSqlDto>
+//        {
+//            new(1, "Tours"),
+//            new(2, "Clermont-Ferrand")
+//        };
+//    }
+//}
\ No newline at end of file
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.fake/FakeBusinessUnitRepository.cs b/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.fake/FakeBusinessUnitRepository.cs
index fcd8637..4c8f5f5 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.fake/FakeBusinessUnitRepository.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.fake/FakeBusinessUnitRepository.cs
@@ -1,21 +1,21 @@
-using espacecollab.backend.infrastructure.interfaces;
-using espacecollab.backend.infrastructure.sql.dtos;
+//using espacecollab.backend.infrastructure.interfaces;
+//using espacecollab.backend.infrastructure.sql.dtos;
 
-namespace espacecollab.backend.infrastructure.fake;
+//namespace espacecollab.backend.infrastructure.fake;
 
-public class FakeBusinessUnitRepository : GenericFakeRepository<BusinessUnitSqlDto>, IBusinessUnitRepository
-{
-    public FakeBusinessUnitRepository()
-    {
-        Context = new List<BusinessUnitSqlDto>
-        {
-            new(1, "BU 1", 1),
-            new(2, "BU 2", 1)
-        };
-    }
+//public class FakeBusinessUnitRepository : GenericFakeRepository<BusinessUnitSqlDto>, IBusinessUnitRepository
+//{
+//    public FakeBusinessUnitRepository()
+//    {
+//        Context = new List<BusinessUnitSqlDto>
+//        {
+//            new(1, "BU 1", 1),
+//            new(2, "BU 2", 1)
+//        };
+//    }
 
-    public IList<BusinessUnitSqlDto> GetBusinessUnitsByAgence(int agenceId)
-    {
-        return Context.Where(c => c.AgenceId == agenceId).ToList();
-    }
-}
\ No newline at end of file
+//    public IList<BusinessUnitSqlDto> GetBusinessUnitsByAgence(int agenceId)
+//    {
+//        return Context.Where(c => c.AgenceId == agenceId).ToList();
+//    }
+//}
\ No newline at end of file
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.interfaces/IAgenceRepository.cs b/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.interfaces/IAgenceRepository.cs
index e93c032..e619cc4 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.interfaces/IAgenceRepository.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.interfaces/IAgenceRepository.cs
@@ -4,4 +4,5 @@ namespace espacecollab.backend.infrastructure.interfaces;
 
 public interface IAgenceRepository : IGenericRepository<AgenceSqlDto>
 {
+    public IList<AgenceSqlDto> GetAgencesByBusinessUnit(int businessUnitId);
 }
\ No newline at end of file
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.interfaces/IBusinessUnitRepository.cs b/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.interfaces/IBusinessUnitRepository.cs
index 0689055..5ef62a0 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.interfaces/IBusinessUnitRepository.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.interfaces/IBusinessUnitRepository.cs
@@ -4,5 +4,4 @@ namespace espacecollab.backend.infrastructure.interfaces;
 
 public interface IBusinessUnitRepository : IGenericRepository<BusinessUnitSqlDto>
 {
-    public IList<BusinessUnitSqlDto> GetBusinessUnitsByAgence(int agenceId);
 }
\ No newline at end of file
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql.dtos/AgenceSqlDto.cs b/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql.dtos/AgenceSqlDto.cs
index 5059f70..dd365b2 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql.dtos/AgenceSqlDto.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql.dtos/AgenceSqlDto.cs
@@ -11,6 +11,7 @@ public class AgenceSqlDto : IGenericIdSqlDto
     [Key]
     public int Id { get; set; }
     public string Name { get; set; }
+    public int BusinessUnitId { get; set; }
 
     [ExcludeFromCodeCoverage]
 
@@ -18,9 +19,10 @@ public class AgenceSqlDto : IGenericIdSqlDto
     {
     }
 
-    public AgenceSqlDto(int id, string name)
+    public AgenceSqlDto(int id, string name, int businessUnitId)
     {
         Id = id;
         Name = name;
+        BusinessUnitId = businessUnitId;
     }
 }
\ No newline at end of file
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql.dtos/BusinessUnitSqlDto.cs b/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql.dtos/BusinessUnitSqlDto.cs
index ce6534e..8e06d9b 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql.dtos/BusinessUnitSqlDto.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql.dtos/BusinessUnitSqlDto.cs
@@ -11,7 +11,6 @@ public class BusinessUnitSqlDto : IGenericIdSqlDto
     [Key]
     public int Id { get; set; }
     public string Name { get; set; }
-    public int AgenceId { get; set; }
 
 
     [ExcludeFromCodeCoverage]
@@ -19,10 +18,9 @@ public class BusinessUnitSqlDto : IGenericIdSqlDto
     {
     }
 
-    public BusinessUnitSqlDto(int id, string name, int agenceId)
+    public BusinessUnitSqlDto(int id, string name)
     {
         Id = id;
         Name = name;
-        AgenceId = agenceId;
     }
 }
\ No newline at end of file
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql/MainDbContext.cs b/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql/MainDbContext.cs
index 1f7f0bd..59b5eea 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql/MainDbContext.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql/MainDbContext.cs
@@ -24,9 +24,19 @@ public class MainDbContext : DbContext
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {
         modelBuilder.Entity<BusinessUnitSqlDto>().Property(p => p.Id).UseMySqlIdentityColumn();
+
         modelBuilder.Entity<AgenceSqlDto>().Property(p => p.Id).UseMySqlIdentityColumn();
+
         modelBuilder.Entity<FonctionSqlDto>().Property(p => p.Id).UseMySqlIdentityColumn();
+
         modelBuilder.Entity<TechnologieSqlDto>().Property(p => p.Id).UseMySqlIdentityColumn();
+
+        modelBuilder.Entity<PeriodeEssaiSqlDto>().Property(p => p.Id).UseMySqlIdentityColumn();
+        modelBuilder
+            .Entity<PeriodeEssaiSqlDto>()
+            .Property(e => e.Issue)
+            .HasConversion<string>();
+
         modelBuilder.Entity<CollaborateurSqlDto>().Property(p => p.Id).UseMySqlIdentityColumn();
         modelBuilder
             .Entity<CollaborateurSqlDto>()
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql/Repository/AgenceSqlRepository.cs b/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql/Repository/AgenceSqlRepository.cs
index a5f569b..2cfd895 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql/Repository/AgenceSqlRepository.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql/Repository/AgenceSqlRepository.cs
@@ -8,4 +8,7 @@ public class AgenceSqlRepository : GenericSqlRepository<AgenceSqlDto>, IAgenceRe
     public AgenceSqlRepository(MainDbContext context) : base(context)
     {   
     }
+
+    public IList<AgenceSqlDto> GetAgencesByBusinessUnit(int businessUnitId)
+            => Context.Set<AgenceSqlDto>().Where(bu => bu.BusinessUnitId == businessUnitId).ToList();
 }
\ No newline at end of file
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql/Repository/BusinessUnitSqlRepository.cs b/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql/Repository/BusinessUnitSqlRepository.cs
index 85e47c0..f7dce39 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql/Repository/BusinessUnitSqlRepository.cs
+++ b/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql/Repository/BusinessUnitSqlRepository.cs
@@ -9,6 +9,5 @@ public class BusinessUnitSqlRepository : GenericSqlRepository<BusinessUnitSqlDto
     {
     }
 
-    public IList<BusinessUnitSqlDto> GetBusinessUnitsByAgence(int agenceId)
-            => Context.Set<BusinessUnitSqlDto>().Where(bu => bu.AgenceId == agenceId).ToList();
+    
 }
\ No newline at end of file
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql/db/init_db.sql - Raccourci.lnk b/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql/db/init_db.sql - Raccourci.lnk
deleted file mode 100644
index 411b0c6..0000000
Binary files a/Collaborateur_Epa_Back/espacecollab.backend.infrastructure.sql/db/init_db.sql - Raccourci.lnk and /dev/null differ
diff --git a/Collaborateur_Epa_Back/espacecollab.backend.sln b/Collaborateur_Epa_Back/espacecollab.backend.sln
index 3def954..d16a1b6 100644
--- a/Collaborateur_Epa_Back/espacecollab.backend.sln
+++ b/Collaborateur_Epa_Back/espacecollab.backend.sln
@@ -27,12 +27,7 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "espacecollab.backend.appser
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "espacecollab.backend.api.tests", "espacecollab.backend.api.tests\espacecollab.backend.api.tests.csproj", "{5EA7CAB6-B7A8-4A54-8A1D-774A376974CB}"
 EndProject
-Project("{E53339B2-1760-4266-BCC7-CA923CBCF16C}") = "docker-compose", "docker-compose.dcproj", "{815B6ABD-7550-4D79-A53B-E84F4D4A7475}"
-EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "9 Database", "9 Database", "{4C74D622-BEC1-41C9-95F1-7C44375B531B}"
-	ProjectSection(SolutionItems) = preProject
-		init_db.sql = init_db.sql
-	EndProjectSection
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -76,10 +71,6 @@ Global
 		{5EA7CAB6-B7A8-4A54-8A1D-774A376974CB}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{5EA7CAB6-B7A8-4A54-8A1D-774A376974CB}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{5EA7CAB6-B7A8-4A54-8A1D-774A376974CB}.Release|Any CPU.Build.0 = Release|Any CPU
-		{815B6ABD-7550-4D79-A53B-E84F4D4A7475}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{815B6ABD-7550-4D79-A53B-E84F4D4A7475}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{815B6ABD-7550-4D79-A53B-E84F4D4A7475}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{815B6ABD-7550-4D79-A53B-E84F4D4A7475}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE