You can write a check. But, unlike former Cincinnati Mayor, Jerry Springer (yes, THAT Jerry Springer) make sure it doesn't bounce. Unpaid hookers be vindictive biotches.
But a drivers license involves the ability to test to and show knowledge of several laws as well as demonstrate the ability to operate a vehicle. Ostensibly, there is a valid reason for it. This GMRS license appears to be "because I said so."