app/views/admin/eu_regulations_common/_form_fields.html.erb
<%= f.hidden_field :designation_id %>
<label>Number</label><%= f.text_field :name %><br />
<label>Description</label><%= f.text_area :description %><br />
<label>Effective from</label>
<%= f.text_field :effective_at, :class => "datepicker",
:value => eu_regulation.effective_at_formatted
%>
<label>Is current <%= f.check_box :is_current %></label>
<label>URL</label><%= f.text_area :url %><br />
<label>Multilingual URL</label><%= f.text_area :multilingual_url %><br />
<label>Extended description</label><%= f.text_area :extended_description %><br />