Most FDIC-insured banking institutions require a verifiable physical street address to comply with Customer Identification Program (CIP) regulations under federal law. While you can maintain a virtual office or commercial registered agent for state mailings, the bank typically flags and rejects pure PO Boxes or CMRA (Commercial Mail Receiving Agency) addresses as your primary operational location. Many founders resolve this by listing their residential address as the physical base while setting their virtual office as the outward mailing address. Supplying an unaccepted address causes automatic processing freezes on account applications. To clarify acceptable address types and avoid application rejections, see the comprehensive checklist for complete compliance instructions.