It's not that hard to become an IAABO member,
Passing the test is simple, I'd rather write the IAABO test over the FED test anyday, it's just so much clearer, and it asks you questions that relate more to situations you'd see on the court, instead of the questions like,
What's the maximum width of the rubber seam in between the panels of the basketball? BTW the answer is a 1/4 inch.
And Chuck,

love the way I was quoted