Forms for Printing
In some instances there there a reasons for you to allow your visitor to print an empty form and then mail or hand you a signed copy.
Even when you have an on-line form you may need a hard-copy for backup and legal reasons.
Examples of this include membership forms and rental agreements.
This is the "Join" button from the old Friends page:
The modal dialog really needs a cancel and return to the current page as there is an inconsitancy with iOS and Microsoft Edge.