Información de facturación opcional

<%= b.label :name, "Razón social", {:class=>"col-md-3 control-label"} do %> Razón Social * <% end %>
<%= b.text_field :name, {:class=>"form-control input-xlarge"} %>
<%= b.label :rfc, "RFC", {:class=>"col-md-3 control-label"} do %> RFC * <% end %>
<%= b.text_field :rfc, {:class=>"form-control input-small"} %>
<%= b.label :address, {:class=>"col-md-3 control-label"} do %> Dirección <% end %>
<%= b.text_field :address, {:class=>"form-control input-xlarge"} %>
<%= b.label :num_ext, {:class=>"col-md-3 control-label"} do %> No. Exterior <% end %>
<%= b.text_field :num_ext, {:class=>"form-control input-small"} %>
<%= b.label :num_int, "No. Interior", {:class=>"col-md-3 control-label"} %>
<%= b.text_field :num_int, {:class=>"form-control input-small"} %>
<%= b.label :zipcode, {:class=>"col-md-3 control-label"} do %> Código postal * <% end %>
<%= b.text_field :zipcode, {:class=>"form-control input-small mask_number", :value => ((info.billing_information.nil? || info.billing_information.zipcode == 0) ? '' : info.billing_information.zipcode) } %>
<%= b.label :state_id, {:class=>"col-md-3 control-label"} do %>Estado * <% end %>
<%= b.collection_select(:state_id, SpmxState.all, :id, :name , options ={:include_blank => "Seleccione"}, :class => "form-control input-medium state_id") %>
<%= b.label :county_id, {:class=>"col-md-3 control-label"} do %> Municipio * <% end %>
<%= b.collection_select(:county_id, SpmxCounty.where(((info.billing_information.nil? || info.billing_information.state_id.nil?) ? "" : "state_id = #{info.billing_information.state_id}") ) , "id", "name", options ={:include_blank => "Seleccione"} , html_options ={ "data-opt-id" => "county_id", "data-option-dependent" => true, "data-option-observed" => "state_id", "data-option-url" => "/getcounties/:state_id:.json", "data-option-key-method" => :id, "data-option-value-method" => :name, :class => "form-control input-medium county_id nestedselect"} ) %>
<%= b.label :city, {:class=>"col-md-3 control-label"} do %>Ciudad o localidad <% end %>
<%= b.text_field :city, {:class=>"form-control input-xlarge"} %>
<%= b.label :suburb, {:class=>"col-md-3 control-label"} do %>Colonia <% end %>
<%= b.text_field :suburb, {:class=>"form-control input-xlarge"} %>