Can't help you with IAABO stuff, but Athletic Rules Study of Cedar Rapids, IA offers a CD-ROM ($25.00) with NF exams. It covers about 5-6 years and you can set the exams up anyway you want it (i.e. rule, violation, etc.,) Their phone number is (800) 399-3013. Their web address is:
http://www.rules-study.com. I have used it for the last 4 years and it works well.