<p class="line-item-property__field"> <input type="hidden" name="properties[MYOP]" value="No"> <input id="myop" required class="required" type="checkbox" name="properties[MYOP]" value="Yes"> <label for="myop">MYOP</label> </p>
<p class="line-item-property__field"> <input type="hidden" name="properties[MYOP]" value="No"> <input id="myop" required class="required" type="checkbox" name="properties[MYOP]" value="Yes"> <label for="myop">MYOP</label> </p>