diff --git a/app/controllers/deliverables_controller.rb b/app/controllers/deliverables_controller.rb
index 9e56b73..e1b64ce 100644
--- a/app/controllers/deliverables_controller.rb
+++ b/app/controllers/deliverables_controller.rb
@@ -8,6 +8,7 @@ class DeliverablesController < InheritedResources::Base
 
   helper :contracts
   helper :contract_formatter
+  include ContractsHelper
   
   def index
     redirect_to contract_url(@project, @contract)
@@ -37,8 +38,16 @@ class DeliverablesController < InheritedResources::Base
   end
 
   def finances
+    @deliverable = @contract.deliverables.find(params[:id])
+    period = extract_period(params[:period])
+    if period
+      @period = validate_period(@deliverable, period)
+    else
+      @period = nil
+    end
+    
     respond_to do |format|
-      format.js { render :partial => 'deliverables/finances', :locals => {:contract => @contract, :deliverable => @contract.deliverables.find(params[:id])} }
+      format.js { render :partial => 'deliverables/finances', :locals => {:contract => @contract, :deliverable => @deliverable, :period => @period } }
       format.html { }
     end
     
diff --git a/app/views/deliverables/_finances.html.erb b/app/views/deliverables/_finances.html.erb
index 1ea935d..da9c08d 100644
--- a/app/views/deliverables/_finances.html.erb
+++ b/app/views/deliverables/_finances.html.erb
@@ -7,6 +7,16 @@
 
 <h2><%= h(deliverable.title) %></h2>
 
+<% if deliverable.retainer? %>
+<div class="deliverable-period">
+  <form method="get" action="<%= finances_contract_deliverable_path(deliverable.project, contract, deliverable, :format => 'js') %>">
+    <select name="period" id="retainer_period_change_<%= h(deliverable.id) %>" class="retainer_period_change">
+      <%= retainer_period_options(deliverable, :selected => period) %>
+    </select>
+  </form>
+</div>
+<% end %>
+
 <% has_categories = deliverable.project.issue_categories.count > 0 %>
 
 <div id="deliverable-activities" class="deliverable-finance-report" style=" width: 48%">
diff --git a/app/views/deliverables/finances.html.erb b/app/views/deliverables/finances.html.erb
index 8109183..86229bc 100644
--- a/app/views/deliverables/finances.html.erb
+++ b/app/views/deliverables/finances.html.erb
@@ -1 +1 @@
-<%= render :partial => 'finances', :locals => {:contract => @contract, :deliverable => @contract.deliverables.find(params[:id])} %>
+<%= render :partial => 'finances', :locals => {:contract => @contract, :deliverable => @deliverable, :period => @period } %>