Answer:
This BOL Article is the single best resource available on the subject. It has been updated to reflect current IRS philosophies in connection with their willingness to issue EINs for these types of accounts. Do not tell people the contributions are tax deductible because they are not. Consider your organization's reputation risk in opening these accounts and the implication to the public that your bank is in some way assuring that the funds are used for the purpose intended.
First published on BankersOnline.com 9/11/06