diff --git a/app/models/p_product_ref.rb b/app/models/p_product_ref.rb
index 49d5d80..f8cf488 100644
--- a/app/models/p_product_ref.rb
+++ b/app/models/p_product_ref.rb
@@ -10,6 +10,7 @@ class PProductRef < ApplicationRecord
   has_many :p_product_ref_price_histories
 
   belongs_to :p_product_color
+  belongs_to :sorecop_cat
 
   has_many :p_articles
   has_many :p_article_serial_nums, through: :p_articles
@@ -46,7 +47,7 @@ class PProductRef < ApplicationRecord
     :ct_price_ht => {:name => "Prix de vente", :as => :currency},
     :ean => {:name => "EAN"},
     :ca_deee => {:name => "DEEE", :as => :currency},
-    :ca_sorecop => {:name => "Sorecop", :as => :currency},
+    :sorecop => {:name => "Sorecop", :as => :currency},
     :sorecop_comment => {:name => "Type de Sorecop"},
     :actions => {:name => "Actions", :reorder => false}
   }
@@ -155,13 +156,26 @@ class PProductRef < ApplicationRecord
   end
 
   def ca_sorecop
-    if self.cc_sorecop
-      return self.cc_sorecop
+    if self.sorecop_cat
+      if self.cc_sorecop
+        return self.cc_sorecop
+      else
+        if self.p_product_ref_specs.where(p_spec_type: PSpecType.find_by_name("Stockage"))
+          find_sorecop_tax.price
+        else
+          "Pas de spec de Stockage"
+        end
+      end
     else
-      "TODO Calcul sorecop"
+      "Pas de catégorie Sorecop"
     end
   end
 
+  def find_sorecop_tax
+    storage_capacity = self.p_product_ref_specs.where(p_spec_type: PSpecType.find_by_name("Stockage")).first.p_spec_value.value
+    self.sorecop_cat.sorecop_taxes.where('critere_min < ? AND critere_max >= ?', storage_capacity, storage_capacity).first
+  end
+
   def ca_deee
     if self.cc_deee
       return self.cc_deee
diff --git a/app/views/admin/p_product_refs/_form.html.haml b/app/views/admin/p_product_refs/_form.html.haml
index 4b0b755..f55ec17 100644
--- a/app/views/admin/p_product_refs/_form.html.haml
+++ b/app/views/admin/p_product_refs/_form.html.haml
@@ -20,10 +20,12 @@
         
         %td
           =form.input :p_product_color_id, :label => "Couleur :", :collection => PProductColor.all, :as => :select, :include_blank => true
+        %td
+          =form.input :sorecop_cat_id, label: "Catgorie Sorecop :", :collection => SorecopCat.all, :as => :select, :include_blank => true
         %td
           =form.input :ct_sorecop, :label => "Sorecop personalisée :"
         %td
-          =form.input :sorecop_comment, :label => "Type de Sorecop :"
+          =form.input :sorecop_comment, :label => "Commentaire de Sorecop :"
         %td
           =form.input :ct_deee, :label => "DEEE personalisée :"
         %td