diff --git a/Yavsc.Abstract/Billing/IBillable.cs b/Yavsc.Abstract/Billing/IBillable.cs
index d6920671..069d7a5d 100644
--- a/Yavsc.Abstract/Billing/IBillable.cs
+++ b/Yavsc.Abstract/Billing/IBillable.cs
@@ -19,5 +19,9 @@ namespace Yavsc.Billing
 
         DateTime? ValidationDate { get; }
 
+        bool GetIsAcquitted ();
+
+        string GetFileBaseName ();
+
     }
 }
diff --git a/Yavsc/ApiControllers/BillingController.cs b/Yavsc/ApiControllers/BillingController.cs
index fd252263..6055083b 100644
--- a/Yavsc/ApiControllers/BillingController.cs
+++ b/Yavsc/ApiControllers/BillingController.cs
@@ -64,7 +64,8 @@ namespace Yavsc.ApiControllers
                 return new ChallengeResult();
             }
  
-            var fi = BillingHelpers.GetBillInfo(billingCode,id);
+            var fi = bill.GetBillInfo();
+
             if (!fi.Exists) return Ok(new { Error = "Not generated" });
             return File(fi.OpenRead(), "application/x-pdf", fi.Name); 
         }
@@ -85,19 +86,20 @@ namespace Yavsc.ApiControllers
                 return new ChallengeResult();
             }
             Response.ContentType = "text/x-tex";
-            return ViewComponent("Bill",new object[] {  billingCode, bill , OutputFormat.LaTeX, true, false });
+            return ViewComponent("Bill",new object[] {  billingCode, bill , OutputFormat.LaTeX, true });
         }
 
         [HttpPost("genpdf/{billingCode}/{id}")]
         public async Task<IActionResult> GeneratePdf(string billingCode, long id)
         {
             var bill = await billingService.GetBillAsync(billingCode, id);
-
+           
             if (bill==null) {
                logger.LogCritical ( $"# not found !! {id} in {billingCode}");
                return this.HttpNotFound();
             }
-            return ViewComponent("Bill",new object[] { billingCode, bill, OutputFormat.Pdf, true, false } );
+             logger.LogWarning("Got bill ack:"+bill.GetIsAcquitted().ToString());
+            return ViewComponent("Bill",new object[] { billingCode, bill, OutputFormat.Pdf, true } );
         }
 
 
diff --git a/Yavsc/Helpers/BillingHelpers.cs b/Yavsc/Helpers/BillingHelpers.cs
index c9a233f8..d11d5887 100644
--- a/Yavsc/Helpers/BillingHelpers.cs
+++ b/Yavsc/Helpers/BillingHelpers.cs
@@ -20,10 +20,10 @@ namespace Yavsc.Helpers
             return bill;
          }
 
-         public static FileInfo GetBillInfo(string billingcode, long id, bool acquitted = false)
+         public static FileInfo GetBillInfo(this IBillable bill)
          {
-             var suffix = acquitted ? "-ack":null;
-             var filename = $"facture-{billingcode}-{id}{suffix}.pdf";
+             var suffix = bill.GetIsAcquitted() ? "-ack":null;
+             var filename = bill.GetFileBaseName()+".pdf";
             return new FileInfo(Path.Combine(Startup.UserBillsDirName, filename));
          }
     }
diff --git a/Yavsc/Models/Billing/NominativeServiceCommand.cs b/Yavsc/Models/Billing/NominativeServiceCommand.cs
index 100d3517..02608c5f 100644
--- a/Yavsc/Models/Billing/NominativeServiceCommand.cs
+++ b/Yavsc/Models/Billing/NominativeServiceCommand.cs
@@ -78,6 +78,19 @@ namespace Yavsc.Models.Billing
         public virtual Activity Context  { get; set ; }
 
         public abstract System.Collections.Generic.List<IBillItem> GetBillItems();
+
+        public bool GetIsAcquitted()
+        {
+            return Regularisation?.IsOk() ?? false;
+        }
+
+        public string GetFileBaseName()
+        {
+            string type = GetType().Name;
+            string ack = GetIsAcquitted() ? "-ack" : null;
+            return $"facture-{ActivityCode}-{type}-{Id}{ack}";
+        }
+
         public string PaymentId { get; set; }
 
         [ForeignKey("PaymentId"), Display(Name = "Acquittement de la facture")]
diff --git a/Yavsc/Startup/Startup.Workflow.cs b/Yavsc/Startup/Startup.Workflow.cs
index 58a0d485..90b0c383 100644
--- a/Yavsc/Startup/Startup.Workflow.cs
+++ b/Yavsc/Startup/Startup.Workflow.cs
@@ -18,6 +18,7 @@ namespace Yavsc
         /// </summary>
         public static List<Type> ProfileTypes = new List<Type>();
         public static List<PropertyInfo> UserSettings = new List<PropertyInfo>();
+
         public static Dictionary<string,Func<ApplicationDbContext,long,IBillable>> Billing =
         new Dictionary<string,Func<ApplicationDbContext,long,IBillable>> ();
 
@@ -73,15 +74,15 @@ mais n'implemente pas l'interface IQueryable<ISpecializationSettings>
             Billing.Add("Brush", new Func<ApplicationDbContext,long,IBillable>
             ( ( db, id) => 
             {
-              var query = db.HairCutQueries.Include(q=>q.Prestation).Single(q=>q.Id == id)  ; 
+              var query = db.HairCutQueries.Include(q=>q.Prestation).Include(q=>q.Regularisation).Single(q=>q.Id == id)  ; 
               query.SelectedProfile = db.BrusherProfile.Single(b=>b.UserId == query.PerformerId);
               return query;
             })) ;
 
             Billing.Add("MBrush",new Func<ApplicationDbContext,long,IBillable>
-            ( (db, id) =>  db.HairMultiCutQueries.Single(q=>q.Id == id)));
+            ( (db, id) =>  db.HairMultiCutQueries.Include(q=>q.Regularisation).Single(q=>q.Id == id)));
             Billing.Add("Rdv", new Func<ApplicationDbContext,long,IBillable>
-            ( (db, id) =>  db.RdvQueries.Single(q=>q.Id == id)));
+            ( (db, id) =>  db.RdvQueries.Include(q=>q.Regularisation).Single(q=>q.Id == id)));
         }
         public static System.Reflection.Assembly OnYavscResourceResolve(object sender, ResolveEventArgs ev)
         {
diff --git a/Yavsc/ViewComponents/BillViewComponent.cs b/Yavsc/ViewComponents/BillViewComponent.cs
index 88aa8498..d82fa237 100644
--- a/Yavsc/ViewComponents/BillViewComponent.cs
+++ b/Yavsc/ViewComponents/BillViewComponent.cs
@@ -27,14 +27,14 @@ namespace Yavsc.ViewComponents
             logger = loggerFactory.CreateLogger<BillViewComponent>();
         }
 
-        public async Task<IViewComponentResult> InvokeAsync(string code, IBillable billable, OutputFormat format, bool asBill, bool acquitted)
+        public async Task<IViewComponentResult> InvokeAsync(string code, IBillable billable, OutputFormat format, bool asBill)
         {
             var di = new DirectoryInfo(Startup.SiteSetup.UserFiles.Bills); 
             var dia = new DirectoryInfo(Startup.SiteSetup.UserFiles.Avatars); 
             ViewBag.BillsDir = di.FullName;
             ViewBag.AvatarsDir = dia.FullName;
             ViewBag.AsBill = asBill; // vrai pour une facture, sinon, c'est un devis
-            ViewBag.Acquitted = acquitted;
+            ViewBag.Acquitted = billable.GetIsAcquitted();
 
             ViewBag.BillingCode = code;
             var client = await dbContext.Users
@@ -81,9 +81,10 @@ namespace Yavsc.ViewComponents
                             Temp = Startup.Temp,
                             TeXSource = tex, 
                             DestDir = Startup.UserBillsDirName,
-                            BaseFileName = $"facture-{code}-{billable.Id}"
+                            BaseFileName = billable.GetFileBaseName()
                         } );
             }
+            ViewBag.BillFileInfo =  billable.GetBillInfo();
             return View("Default",billable);
            
         }
diff --git a/Yavsc/Views/Shared/Components/Bill/Default.cshtml b/Yavsc/Views/Shared/Components/Bill/Default.cshtml
index c56e66ee..26222c75 100644
--- a/Yavsc/Views/Shared/Components/Bill/Default.cshtml
+++ b/Yavsc/Views/Shared/Components/Bill/Default.cshtml
@@ -1,8 +1,7 @@
 
 @model IBillable
 <div class="bill">
-@{ var fi = BillingHelpers.GetBillInfo(ViewBag.BillingCode,Model.Id); }
-@if (fi.Exists) {
+@if (ViewBag.BillFileInfo.Exists) {
 <a class="btn btn-link" href="~/api/bill/facture-@(ViewBag.BillingCode)-@(Model.Id).pdf" >La facture au format Pdf</a>
 } else {
 <form action="~/api/bill/genpdf/@ViewBag.BillingCode/@Model.Id" method="POST">
diff --git a/Yavsc/Views/Shared/Components/PayPalButton/Default.cshtml b/Yavsc/Views/Shared/Components/PayPalButton/Default.cshtml
index a0511eee..c7e8568c 100644
--- a/Yavsc/Views/Shared/Components/PayPalButton/Default.cshtml
+++ b/Yavsc/Views/Shared/Components/PayPalButton/Default.cshtml
@@ -15,12 +15,14 @@
     <text> : 
 
     </text>
-      <label>
-      <input type="checkbox" checked="@Model.Regularisation.IsOk()" disabled/> 
+      <label>@Model.GetIsAcquitted()
+      <input type="checkbox" checked="@Model.GetIsAcquitted()" disabled/> 
       <a asp-controller="Manage" asp-action="PaymentInfo" asp-route-id="@Model.Regularisation.CreationToken">@Model.Regularisation.CreationToken</a>
       </label>
 
-} else {
+} 
+
+@if (!Model.GetIsAcquitted()) {
 <div id="paypalzone"></div>
 <script>
 var CREATE_PAYMENT_URL = '@ViewBag.CreatePaymentUrl';
diff --git a/Yavsc/Views/Shared/DisplayTemplates/HairCutQuery.cshtml b/Yavsc/Views/Shared/DisplayTemplates/HairCutQuery.cshtml
index 5442ceda..9d401214 100644
--- a/Yavsc/Views/Shared/DisplayTemplates/HairCutQuery.cshtml
+++ b/Yavsc/Views/Shared/DisplayTemplates/HairCutQuery.cshtml
@@ -1,15 +1,4 @@
 @model HairCutQuery
-@{
-    var paid = false;
-    if (Model.PaymentId!=null) {
-        if (Model.Regularisation!=null) {
-            if (Model.Regularisation.IsOk()) {
-                paid=true;
-            } 
-        }
-    }
-    
-}
 <dl class="dl-horizontal">
 <dt>@Html.DisplayNameFor(m=>m.Prestation)
 </dt>
@@ -33,7 +22,7 @@
 </dd>
 <dt>@SR["La facture"]
 </dt>
-<dd>@await Component.InvokeAsync("Bill", "Brush", Model, OutputFormat.Html, true, paid )
+<dd>@await Component.InvokeAsync("Bill", "Brush", Model, OutputFormat.Html, true)
 </dd>
 <dt>@Html.DisplayNameFor(m=>m.Regularisation)</dt>
 <dd>