diff --git a/app/views/line_items/_issue_form.html.erb b/app/views/line_items/_issue_form.html.erb
index 72d85c8..44f5a38 100644
--- a/app/views/line_items/_issue_form.html.erb
+++ b/app/views/line_items/_issue_form.html.erb
@@ -45,11 +45,14 @@
     </template>
 
     <p>
-      <button type="button"
-              class="icon icon-add"
-              data-nested-form-add>
-        <%= l(:button_add) %>
-      </button>
+        
+      <% if User.current.allowed_to?(:add_line_items, nil, global: true) %>
+        <button type="button"
+                class="icon icon-add"
+                data-nested-form-add>
+          <%= l(:button_add) %>
+        </button>
+      <% end %>
     </p>
   <% end %>
 
diff --git a/app/views/line_items/_line_item_fields.html.erb b/app/views/line_items/_line_item_fields.html.erb
index cea0e13..c071f8b 100644
--- a/app/views/line_items/_line_item_fields.html.erb
+++ b/app/views/line_items/_line_item_fields.html.erb
@@ -35,13 +35,15 @@
     0.00
   </td>
 
-  <% unless readonly %>
-    <td class="actions">
-      <button type="button"
-              class="icon-only icon-del"
-              title="<%= l(:label_remove) %>"
-              data-nested-form-remove>
-      </button>
-    </td>
+  <% if User.current.allowed_to?(:delete_line_items, nil, global: true) %>
+    <% unless readonly %>
+      <td class="actions">
+        <button type="button"
+                class="icon-only icon-del"
+                title="<%= l(:label_remove) %>"
+                data-nested-form-remove>
+        </button>
+      </td>
+    <% end %>
   <% end %>
 </tr>
\ No newline at end of file
diff --git a/init.rb b/init.rb
index 70852e9..76aab15 100644
--- a/init.rb
+++ b/init.rb
@@ -29,14 +29,12 @@ Redmine::Plugin.register :redmine_qbo_lineitems do
   
   # Add safe attributes for core models
   Issue.safe_attributes :line_items_attributes
-end
 
-# Administration menu extension
-Redmine::MenuManager.map :admin_menu do |menu|
-  menu.push :redmine_qbo_lineitems, { controller: 'items', action: 'index' },
-            icon: 'list',
-            caption: :label_items,
-            html: { class: 'icon icon-list' }
+  # Global Permissions
+  permission :view_line_items, { line_items: [:index, :show] }, global: true
+  permission :add_line_items, { line_items: [:new, :create] }, global: true
+  permission :edit_line_items, { line_items: [:edit, :update] }, global: true
+  permission :delete_line_items, { line_items: [:destroy] }, global: true
 end
 
 RedmineQboLineItems.setup
\ No newline at end of file
diff --git a/lib/line_items/hooks/view_hook_listener.rb b/lib/line_items/hooks/view_hook_listener.rb
index 914be09..b2d18a8 100644
--- a/lib/line_items/hooks/view_hook_listener.rb
+++ b/lib/line_items/hooks/view_hook_listener.rb
@@ -24,19 +24,19 @@ module LineItems
         ])
       end
 
+      # Add the line items form to the issue edit page
       def view_issues_edit_notes_bottom(context = {})
         return if context[:issue].closed?
-        context[:controller].send(:render_to_string, {
-          partial: 'line_items/issue_form',
-            locals: {
-              f: context[:form]
-            } 
-          }
-        )
+        return unless User.current.allowed_to?(:edit_line_items, nil, global: true)
+        context[:controller].send(:render_to_string, { partial: 'line_items/issue_form', locals: { f: context[:form] } })
+      end
+
+      # Add the line items to the issue view page
+      def view_issues_show_description_bottom (context = {})
+        return unless User.current.allowed_to?(:view_line_items, nil, global: true)
+        context[:controller].send(:render_to_string, { partial: 'line_items/issue_line_items', locals: { issue: context[:issue] } })
       end
 
-      render_on :view_issues_show_description_bottom , partial: 'line_items/issue_line_items'
-      
     end
   end
 end
\ No newline at end of file
diff --git a/lib/redmine_qbo_line_items.rb b/lib/redmine_qbo_line_items.rb
index fbe8e02..1053703 100644
--- a/lib/redmine_qbo_line_items.rb
+++ b/lib/redmine_qbo_line_items.rb
@@ -12,10 +12,18 @@ module RedmineQboLineItems
 
   def self.setup
    unless Issue.ancestors.include?(LineItems::Patches::IssuePatch)
+      # Patches
       Issue.prepend LineItems::Patches::IssuePatch
+
+      # Hooks
       LineItems::Hooks::IssuesSaveHookListener
       LineItems::Hooks::QboHookListener
       LineItems::Hooks::ViewHookListener
+
+      # Administration menu extension
+      Redmine::MenuManager.map :admin_menu do |menu|
+        menu.push :redmine_qbo_lineitems, { controller: 'items', action: 'index' }, icon: 'list', caption: :label_items, html: { class: 'icon icon-list' }
+      end
     end
   end
 end
\ No newline at end of file