The legality of requiring job application fees

Q. We have a problem with applicants who pass the pre-hiring process but then decide for some reason that they don’t want the job after all. They fail to show up their first day on the job. By that time, we have already spent time and money on drug tests and orientation, and turned down other promising applicants. Can we require applicants to submit fees to apply, which we will refund if we don’t hire them, or if they remain employed for a minimum period of time? ...