It's part of a new regulation called KYC (Know Your Customer)... To prevent Frauds, Maonay Laundering, and Terrorism Funding...
If you are Clean & Legit, I don't see the issue
"In the USA, KYC is typically a policy and process implemented to conform to a customer identification program (CIP) mandated under the Bank Secrecy Act and USA PATRIOT Act[1]. Know your customer policies are becoming increasingly important globally to prevent identity theft, financial fraud, money laundering and terrorist financing.... "
FYI :
http://en.wikipedia.org/wiki/Know_your_customer