>>It reminds me some of working with Diagnosis Codes in the healthcare industry.
>
>Tell me about it. I have to deal with this stuff all the time.

I'm sorry... :) I spent 7 years working for Kaiser Permanente in the Medical Economics and IT departments... I was so weary of coding DRG processes to handle the reporting requirments it still scares me when I go to a physician's office and see the book of codes on a shelf.