Subject field in the ticket mandatory

Does anybody know how to make subject field in the ticket mandatory? Is
there a call back or any way of doing this?

Thanks,

Michael Neuschafer

PC Support Specialist

National Stores Inc.

(310) 436 - 2150

Does anybody know how to make subject field in the ticket mandatory? Is
there a call back or any way of doing this?

There is an extension:
http://search.cpan.org/dist/RT-Extension-MandatorySubject/