app/views/idv/by_mail/enter_code/_form.html.erb
<%= simple_form_for(@gpo_verify_form, url: idv_verify_by_mail_enter_code_path) do |f| %>
<div class="margin-top-neg-2 margin-bottom-5">
<%= render ValidatedFieldComponent.new(
form: f,
name: :otp,
maxlength: 10,
required: true,
autofocus: true,
label: t('idv.gpo.form.otp_label'),
input_html: { class: 'usa-input--wide' },
) %>
<%= hidden_field_tag :did_not_receive_letter, @user_did_not_receive_letter ? '1' : nil %>
<%= f.submit t('idv.gpo.form.submit'), class: 'display-block margin-top-5' %>
</div>
<% end %>