I cannot access your form but how about this (if I understand the
problem):I'm guessing that it doesn't matter which choice is made from
the droplist.A hidden text field that appears when a choice is
made.Droplist named (charitylist)The hidden field is named (charityno)On
the change event of charitylist place this code:if
(xfa.event.newText=="911-Social Donation"){charityno.presence
="visible"}else{charityno.presence="hidden";}You can set the charityno
text field to mandatory by using the Value ...