diff --git a/Yavsc/ApiControllers/PdfEstimateController.cs b/Yavsc/ApiControllers/PdfEstimateController.cs
index e871ba68..d16fc18e 100644
--- a/Yavsc/ApiControllers/PdfEstimateController.cs
+++ b/Yavsc/ApiControllers/PdfEstimateController.cs
@@ -84,6 +84,7 @@ namespace Yavsc.ApiControllers
             return ViewComponent("Estimate",new object[] { id, "Pdf" } );
         }
 
+
         [HttpPost("prosign/{id}")]
         public async Task<IActionResult> ProSign(long id)
         {
@@ -97,7 +98,7 @@ namespace Yavsc.ApiControllers
             }
             if (Request.Form.Files.Count!=1)
                 return new BadRequestResult();
-            User.ReceiveSignature(id,Request.Form.Files[0],"pro");
+            User.ReceiveProSignature(id,Request.Form.Files[0],"pro");
             estimate.ProviderValidationDate = DateTime.Now;
             dbContext.SaveChanges();
             // Notify the client
@@ -107,6 +108,22 @@ namespace Yavsc.ApiControllers
             return Ok (new { ProviderValidationDate = estimate.ProviderValidationDate, GCMSent = grep.success });
         }
 
+        [HttpGet("prosign/{id}")]
+        public async Task<IActionResult> GetProSign(long id)
+        {
+            // For authorization purpose
+            var estimate = dbContext.Estimates.FirstOrDefault(e=>e.Id == id);
+            if (!await authorizationService.AuthorizeAsync(User, estimate, new ViewRequirement()))
+            {
+                return new ChallengeResult();
+            }
+
+            var filename = FileSystemHelpers.SignFileNameFormat("pro",id);
+            FileInfo fi = new FileInfo(Path.Combine(Startup.UserBillsDirName, filename));
+            if (!fi.Exists) return HttpNotFound(new { Error = "Professional signature not found" });
+            return File(fi.OpenRead(), "application/x-pdf", filename); ;
+        }
+
         [HttpPost("clisign/{id}")]
         public async Task<IActionResult> CliSign(long id)
         {
@@ -119,11 +136,26 @@ namespace Yavsc.ApiControllers
             }
             if (Request.Form.Files.Count!=1)
                 return new BadRequestResult();
-            User.ReceiveSignature(id,Request.Form.Files[0],"cli");
+            User.ReceiveProSignature(id,Request.Form.Files[0],"cli");
             estimate.ClientValidationDate = DateTime.Now;
             dbContext.SaveChanges();
             return Ok (new { ClientValidationDate = estimate.ClientValidationDate });
         }
 
+        [HttpGet("clisign/{id}")]
+        public async Task<IActionResult> GetCliSign(long id)
+        {
+            // For authorization purpose
+            var estimate = dbContext.Estimates.FirstOrDefault(e=>e.Id == id);
+            if (!await authorizationService.AuthorizeAsync(User, estimate, new ViewRequirement()))
+            {
+                return new ChallengeResult();
+            }
+            
+            var filename = FileSystemHelpers.SignFileNameFormat("pro",id);
+            FileInfo fi = new FileInfo(Path.Combine(Startup.UserBillsDirName, filename));
+            if (!fi.Exists) return HttpNotFound(new { Error = "Professional signature not found" });
+            return File(fi.OpenRead(), "application/x-pdf", filename); ;
+        }
     }
 }
\ No newline at end of file
diff --git a/Yavsc/Helpers/FileSystemHelpers.cs b/Yavsc/Helpers/FileSystemHelpers.cs
index f4ec2aa2..0c42fcad 100644
--- a/Yavsc/Helpers/FileSystemHelpers.cs
+++ b/Yavsc/Helpers/FileSystemHelpers.cs
@@ -1,5 +1,6 @@
 
 
+using System;
 using System.Drawing;
 using System.Drawing.Imaging;
 using System.IO;
@@ -169,10 +170,13 @@ namespace Yavsc.Helpers
                     dir, xsmallname), ImageFormat.Png);
             }
         }
-        public static FileRecievedInfo ReceiveSignature(this ClaimsPrincipal user, long estimateId, IFormFile formFile, string signtype)
+        public static Func<string,long,string>
+          SignFileNameFormat = new Func<string,long,string> ((signType,estimateId) => $"estimate-{signType}sign-{estimateId}.png");
+
+        public static FileRecievedInfo ReceiveProSignature(this ClaimsPrincipal user, long estimateId, IFormFile formFile, string signtype)
         { 
             var item = new FileRecievedInfo();
-            item.FileName = $"estimate-{signtype}sign-{estimateId}.png";
+            item.FileName = SignFileNameFormat("pro",estimateId);
             var destFileName = Path.Combine(Startup.SiteSetup.UserFiles.Bills, item.FileName);
 
             var fi = new FileInfo(destFileName);
diff --git a/Yavsc/Models/Workflow/Process/Action.cs b/Yavsc/Models/Workflow/Process/Action.cs
index e12babba..66e64704 100644
--- a/Yavsc/Models/Workflow/Process/Action.cs
+++ b/Yavsc/Models/Workflow/Process/Action.cs
@@ -1,6 +1,6 @@
 using System.Threading.Tasks;
 
-namespace Yavsc.Models
+namespace Yavsc.Models.Process
 {
      public abstract class Action<TResult,TInput>
     {
diff --git a/Yavsc/Models/Workflow/Process/Conjonction.cs b/Yavsc/Models/Workflow/Process/Conjonction.cs
index aef10887..bd2125db 100644
--- a/Yavsc/Models/Workflow/Process/Conjonction.cs
+++ b/Yavsc/Models/Workflow/Process/Conjonction.cs
@@ -1,6 +1,6 @@
 using System.Collections.Generic;
 
-namespace Yavsc.Models
+namespace Yavsc.Models.Process
 {
     public class Conjonction : List<IRequisition>, IRequisition
     {
diff --git a/Yavsc/Models/Workflow/Process/Disjonction.cs b/Yavsc/Models/Workflow/Process/Disjonction.cs
index 268cce11..416257b7 100644
--- a/Yavsc/Models/Workflow/Process/Disjonction.cs
+++ b/Yavsc/Models/Workflow/Process/Disjonction.cs
@@ -1,6 +1,6 @@
 using System.Collections.Generic;
 
-namespace Yavsc.Models
+namespace Yavsc.Models.Process
 {
     public class Disjonction : List<IRequisition>, IRequisition
     {
diff --git a/Yavsc/Models/Workflow/Process/InputValue.cs b/Yavsc/Models/Workflow/Process/InputValue.cs
index 813b4b48..cb6290e0 100644
--- a/Yavsc/Models/Workflow/Process/InputValue.cs
+++ b/Yavsc/Models/Workflow/Process/InputValue.cs
@@ -1,5 +1,5 @@
 
-namespace Yavsc.Models
+namespace Yavsc.Models.Process
 {
     public class ConstInputValue : NamedRequisition
     {
diff --git a/Yavsc/Models/Workflow/Process/NamedRequisition.cs b/Yavsc/Models/Workflow/Process/NamedRequisition.cs
index 92955407..570dbf33 100644
--- a/Yavsc/Models/Workflow/Process/NamedRequisition.cs
+++ b/Yavsc/Models/Workflow/Process/NamedRequisition.cs
@@ -1,5 +1,5 @@
 
-namespace Yavsc.Models
+namespace Yavsc.Models.Process
 {
     public abstract class NamedRequisition : IRequisition
     {
diff --git a/Yavsc/Models/Workflow/Process/Negation.cs b/Yavsc/Models/Workflow/Process/Negation.cs
index 3bf19766..343b9940 100644
--- a/Yavsc/Models/Workflow/Process/Negation.cs
+++ b/Yavsc/Models/Workflow/Process/Negation.cs
@@ -1,5 +1,5 @@
 
-namespace Yavsc.Models
+namespace Yavsc.Models.Process
 {
     public class Negation<Exp> : IRequisition where Exp : IRequisition
     {
diff --git a/Yavsc/Models/Workflow/Process/Rule.cs b/Yavsc/Models/Workflow/Process/Rule.cs
index 1d04967f..f367344e 100644
--- a/Yavsc/Models/Workflow/Process/Rule.cs
+++ b/Yavsc/Models/Workflow/Process/Rule.cs
@@ -1,6 +1,6 @@
 using System.ComponentModel.DataAnnotations;
 
-namespace Yavsc.Models
+namespace Yavsc.Models.Process
 {
     /// <summary>
     /// An abstract, identified rule