You heard that resident aliens are not permitted interest-bearing accounts, right? I recommend you challenge your source. If it's your bank's policy, OK. But I am not aware of any law or regulation that prohibits it.
Lesson 1: When someone tells you something new, challenge the source if you're unsure.
As to the new accounts opportunities -- you are right to be skeptical when accounts might be opened for persons or businesses with whom/which you are not familiar. You need to appraise your abilities to know these customers, and weigh that in your decision about pursuing this business. This, by the way, is nothing new. It's common sense banking. But it has admittedly become more a more visible topic lately.
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John S. Burnett
BankersOnline.com
Fighting for Compliance since 1976
Bankers' Threads User #8