app/views/admin/people/new.html.erb
<%= render 'admin/people/errors', person: @person%>
<%= render 'admin/people/hidden_rows'%>
<% (@person.activities_declarations.map(&:id) << 0).each do |id| %>
<%= render 'admin/people/hidden_activity_declaration_rows', i: id %>
<% end %>
<% (@person.assets_declarations.map(&:id) << 0).each do |id| %>
<%= render 'admin/people/hidden_activity_declaration_rows', i: id %>
<% end %>
<%= form_for @person, url: admin_people_path, html: { multipart: true } do |f| %>
<%= render 'admin/people/main_form', f: f %>
<% end %>