diff --git a/src/Yavsc.Abstract/Interfaces/IBillingService.cs b/src/Yavsc.Abstract/Interfaces/IBillingService.cs
index 5c99212a..3ba7fc59 100644
--- a/src/Yavsc.Abstract/Interfaces/IBillingService.cs
+++ b/src/Yavsc.Abstract/Interfaces/IBillingService.cs
@@ -17,8 +17,8 @@ namespace Yavsc.Services
         /// <summary>
     /// Renvoye la facture associée à une clé de facturation,
     /// à partir du couple suivant :
-    /// 
-    /// * un code de facturation 
+    ///
+    /// * un code de facturation
     ///   (identifiant associé à un type de demande du client)
     /// * un entier long identifiant la demande du client
     ///   (à une demande, on associe au maximum une seule facture)
@@ -26,10 +26,10 @@ namespace Yavsc.Services
     /// <param name="billingCode">Identifiant du type de facturation</param>
     /// <param name="queryId">Identifiant de la demande du client</param>
     /// <returns>La facture</returns>
-    Task<IDecidableQuery> GetBillAsync(string billingCode, long queryId);
-    
+    Task<IQuery> GetBillAsync(string billingCode, long queryId);
+
     /// <summary>
-    /// Perfomer settings for the specified performer in the activity 
+    /// Perfomer settings for the specified performer in the activity
     /// </summary>
     /// <param name="activityCode">activityCode</param>
     /// <param name="userId">performer uid</param>
diff --git a/src/Yavsc.Abstract/Workflow/INominativeQuery.cs b/src/Yavsc.Abstract/Workflow/INominativeQuery.cs
index 7e0b5983..d498e28d 100644
--- a/src/Yavsc.Abstract/Workflow/INominativeQuery.cs
+++ b/src/Yavsc.Abstract/Workflow/INominativeQuery.cs
@@ -4,8 +4,6 @@ namespace Yavsc.Abstract.Workflow
 {
     public interface IDecidableQuery: ITrackedEntity, IQuery
     {
-         bool Reviewed { get; set; }
-         bool Accepted { get; set; }
 
     }
 }
diff --git a/src/Yavsc.Api/Controllers/Business/FrontOfficeApiController.cs b/src/Yavsc.Api/Controllers/Business/FrontOfficeApiController.cs
index 75813c4e..b91cba51 100644
--- a/src/Yavsc.Api/Controllers/Business/FrontOfficeApiController.cs
+++ b/src/Yavsc.Api/Controllers/Business/FrontOfficeApiController.cs
@@ -34,8 +34,8 @@ namespace Yavsc.ApiControllers
             if (queryId == 0) return BadRequest("queryId");
             var billing = BillingService.GetBillable(dbContext, billingCode, queryId);
             if (billing == null) return BadRequest();
-            billing.Reviewed = true;
-            billing.Accepted = false;
+
+            billing.Status = QueryStatus.Rejected;
             dbContext.SaveChanges();
             return Ok();
         }
@@ -47,8 +47,7 @@ namespace Yavsc.ApiControllers
             if (queryId == 0) return BadRequest("queryId");
             var billing = BillingService.GetBillable(dbContext, billingCode, queryId);
             if (billing == null) return BadRequest();
-            billing.Accepted = true;
-            billing.Reviewed = true;
+            billing.Status = QueryStatus.Accepted;
             dbContext.SaveChanges();
             return Ok();
         }
diff --git a/src/Yavsc.Org.Tests/NonRegression/BillingServiceTests.cs b/src/Yavsc.Org.Tests/NonRegression/BillingServiceTests.cs
index 0309ba8e..8d15d26c 100644
--- a/src/Yavsc.Org.Tests/NonRegression/BillingServiceTests.cs
+++ b/src/Yavsc.Org.Tests/NonRegression/BillingServiceTests.cs
@@ -36,11 +36,11 @@ namespace Yavsc
         {
             WorkflowHelpers.ConfigureBillingService();
 
-            var firstRegistrar = new Func<ApplicationDbContext, long, IDecidableQuery>((db, id) =>
+            var firstRegistrar = new Func<ApplicationDbContext, long, IQuery>((db, id) =>
                 db.HairCutQueries.Include(q => q.Prestation).Include(q => q.Regularisation).Single(q => q.Id == id));
 
             const string testCode = "Brush";
-            
+
             Assert.Throws<InvalidOperationException>(() =>
                 WorkflowHelpers.RegisterBilling<HairCutQuery>(testCode, firstRegistrar));
         }
diff --git a/src/Yavsc.Org/Views/Project/Delete.cshtml b/src/Yavsc.Org/Views/Project/Delete.cshtml
index 57a48603..f2f25646 100644
--- a/src/Yavsc.Org/Views/Project/Delete.cshtml
+++ b/src/Yavsc.Org/Views/Project/Delete.cshtml
@@ -53,12 +53,6 @@
         <dd>
             @Html.DisplayFor(model => model.Previsional)
         </dd>
-        <dt>
-            @Html.DisplayNameFor(model => model.Reviewed)
-        </dt>
-        <dd>
-            @Html.DisplayFor(model => model.Reviewed)
-        </dd>
         <dt>
             @Html.DisplayNameFor(model => model.DateModified)
         </dt>
diff --git a/src/Yavsc.Org/Views/Project/Details.cshtml b/src/Yavsc.Org/Views/Project/Details.cshtml
index af716bbd..48c97e8e 100644
--- a/src/Yavsc.Org/Views/Project/Details.cshtml
+++ b/src/Yavsc.Org/Views/Project/Details.cshtml
@@ -58,12 +58,6 @@
         <dd>
             @Html.DisplayFor(model => model.Previsional)
         </dd>
-        <dt>
-            @Html.DisplayNameFor(model => model.Reviewed)
-        </dt>
-        <dd>
-            @Html.DisplayFor(model => model.Reviewed)
-        </dd>
         <dt>
             @Html.DisplayNameFor(model => model.DateModified)
         </dt>
diff --git a/src/Yavsc.Org/Views/Project/Edit.cshtml b/src/Yavsc.Org/Views/Project/Edit.cshtml
index b07859ac..8c41c6e3 100644
--- a/src/Yavsc.Org/Views/Project/Edit.cshtml
+++ b/src/Yavsc.Org/Views/Project/Edit.cshtml
@@ -42,14 +42,6 @@
                 <span asp-validation-for="Previsional" class="text-danger" ></span>
             </div>
         </div>
-        <div class="form-group">
-            <div class="col-md-offset-2 col-md-10">
-                <div class="checkbox">
-                    <input asp-for="Reviewed" />
-                    <label asp-for="Reviewed"></label>
-                </div>
-            </div>
-        </div>
         <div class="form-group">
             <label asp-for="Status" class="col-md-2 control-label"></label>
             <div class="col-md-10">
diff --git a/src/Yavsc.Org/Views/Project/Index.cshtml b/src/Yavsc.Org/Views/Project/Index.cshtml
index e428fd07..49f8fce6 100644
--- a/src/Yavsc.Org/Views/Project/Index.cshtml
+++ b/src/Yavsc.Org/Views/Project/Index.cshtml
@@ -32,9 +32,6 @@
         <th>
             @Html.DisplayNameFor(model => model.Previsional)
         </th>
-        <th>
-            @Html.DisplayNameFor(model => model.Reviewed)
-        </th>
         <th>
             @Html.DisplayNameFor(model => model.DateModified)
         </th>
@@ -79,9 +76,6 @@
         <td>
             @Html.DisplayFor(modelItem => item.Previsional)
         </td>
-        <td>
-            @Html.DisplayFor(modelItem => item.Reviewed)
-        </td>
         <td>
             @Html.DisplayFor(modelItem => item.DateModified)
         </td>
diff --git a/src/Yavsc.Server/Helpers/WorkflowHelpers.cs b/src/Yavsc.Server/Helpers/WorkflowHelpers.cs
index 55e8dc88..1e435d3f 100644
--- a/src/Yavsc.Server/Helpers/WorkflowHelpers.cs
+++ b/src/Yavsc.Server/Helpers/WorkflowHelpers.cs
@@ -41,7 +41,7 @@ namespace Yavsc.Helpers
         }
 
         public static void RegisterBilling<T>(string code, Func<ApplicationDbContext, long,
-        IDecidableQuery> getter) where T : IBillable
+        IQuery> getter) where T : IBillable
         {
             lock (_billingLock)
             {
@@ -91,7 +91,7 @@ namespace Yavsc.Helpers
                     }
                 }
 
-                RegisterBilling<HairCutQuery>(BillingCodes.Brush, new Func<ApplicationDbContext, long, IDecidableQuery>
+                RegisterBilling<HairCutQuery>(BillingCodes.Brush, new Func<ApplicationDbContext, long, IQuery>
                 ((db, id) =>
                 {
                     var query = db.HairCutQueries.Include(q => q.Prestation).Include(q => q.Regularisation).Single(q => q.Id == id);
@@ -99,10 +99,10 @@ namespace Yavsc.Helpers
                     return query;
                 }));
 
-                RegisterBilling<HairMultiCutQuery>(BillingCodes.MBrush, new Func<ApplicationDbContext, long, IDecidableQuery>
+                RegisterBilling<HairMultiCutQuery>(BillingCodes.MBrush, new Func<ApplicationDbContext, long, IQuery>
                 ((db, id) => db.HairMultiCutQueries.Include(q => q.Regularisation).Single(q => q.Id == id)));
 
-                RegisterBilling<RdvQuery>(BillingCodes.Rdv, new Func<ApplicationDbContext, long, IDecidableQuery>
+                RegisterBilling<RdvQuery>(BillingCodes.Rdv, new Func<ApplicationDbContext, long, IQuery>
                 ((db, id) => db.RdvQueries.Include(q => q.Regularisation).Single(q => q.Id == id)));
             }
         }
diff --git a/src/Yavsc.Server/Models/Billing/NominativeServiceCommand.cs b/src/Yavsc.Server/Models/Billing/NominativeServiceCommand.cs
index ff1a1dca..798313a8 100644
--- a/src/Yavsc.Server/Models/Billing/NominativeServiceCommand.cs
+++ b/src/Yavsc.Server/Models/Billing/NominativeServiceCommand.cs
@@ -13,7 +13,7 @@ namespace Yavsc.Models.Billing
     using Yavsc.Abstract.Workflow;
     using Yavsc.Services;
 
-    public abstract class NominativeServiceCommand : IDecidableQuery, IIdentified<long>, IBillable
+    public abstract class NominativeServiceCommand : IQuery, IIdentified<long>, IBillable
   {
         public string GetInvoiceId() { return GetType().Name +  "/" + Id;  }
 
@@ -78,9 +78,6 @@ namespace Yavsc.Models.Billing
         [ForeignKey("ActivityCode"),JsonIgnore,Display(Name="Domaine d'activité")]
         public virtual Activity Context  { get; set ; }
 
-        public bool Reviewed { get; set; }
-
-
         public abstract System.Collections.Generic.List<IBillItem> GetBillItems();
 
         public bool GetIsAcquitted()
@@ -102,6 +99,5 @@ namespace Yavsc.Models.Billing
 
         [Display(Name = "Acquittement de la facture")]
         public virtual PayPalPayment Regularisation { get; set; }
-        public bool Accepted { get; set; }
     }
 }
diff --git a/src/Yavsc.Server/Services/BillingService.cs b/src/Yavsc.Server/Services/BillingService.cs
index 214e336f..0738c57d 100644
--- a/src/Yavsc.Server/Services/BillingService.cs
+++ b/src/Yavsc.Server/Services/BillingService.cs
@@ -8,8 +8,8 @@ namespace Yavsc.Services
     public class BillingService : IBillingService
     {
         public ApplicationDbContext DbContext { get; private set; }
-        public static Dictionary<string, Func<ApplicationDbContext, long, IDecidableQuery>> Billing =
-        new Dictionary<string, Func<ApplicationDbContext, long, IDecidableQuery>>();
+        public static Dictionary<string, Func<ApplicationDbContext, long, IQuery>> Billing =
+        new Dictionary<string, Func<ApplicationDbContext, long, IQuery>>();
         public static List<PropertyInfo> UserSettings = new List<PropertyInfo>();
 
         public static Dictionary<string, string> GlobalBillingMap =
@@ -25,12 +25,12 @@ namespace Yavsc.Services
             DbContext = dbContext;
         }
 
-        public Task<IDecidableQuery> GetBillAsync(string billingCode, long queryId)
+        public Task<IQuery> GetBillAsync(string billingCode, long queryId)
         {
             return Task.FromResult(GetBillable(DbContext, billingCode, queryId));
         }
 
-        public static IDecidableQuery GetBillable(ApplicationDbContext context, string billingCode, long queryId) => Billing[billingCode](context, queryId);
+        public static IQuery GetBillable(ApplicationDbContext context, string billingCode, long queryId) => Billing[billingCode](context, queryId);
         public async Task<IUserSettings> GetPerformersSettingsAsync(string activityCode, string userId)
         {
             var activity = await DbContext.Activities.SingleAsync(a => a.Code == activityCode);
@@ -39,7 +39,7 @@ namespace Yavsc.Services
 
             var dbSetGetter =
             UserSettings.SingleOrDefault(s => s.Name == activity.SettingsClassName);
-            
+
             if (dbSetGetter==null) return null;
             var dbSet = dbSetGetter.GetValue(DbContext);