>>>Does anybody know the structure of federal EIN numbers?
>>>
>>>Peter
>>
>>Peter;
>>
>>http://www.irs.gov/pub/irs-pdf/p1635.pdf
>>
>>See page 3.
>>
>>Tom
>I have that one. It does not talk about the structure. I want to be able to do some validity check in the valid as I do with SSN (at least on the first 3 digits)
>
>Thanks
>Peter

Peter;

I am confident if you communicate with the cognizant federal office you will receive ten different answers and be told that they are not responsible for anything they say (or do)! I hope you excuse my sense of humor. At age 62 I demand respect for my pointed ways! :)

I hope you get a correct answer to your question.

Tom