Quick answer
Account-opening requirements vary by institution, product and application channel. Federal customer-identification rules set a baseline, but the bank/CU decides which documents and channels it supports. An online SSN field does not prove an institution-wide ITIN ban.
Triage: identify the exact scenario
Pick the exact institution/product. Check online vs branch/phone requirements, age/ownership rules, taxpayer-identification options, acceptable ID, residential-address rules and minimum opening/funding amount. Separate eligibility from approval.
What authoritative sources establish
FinCEN’s CIP framework requires core identifying information and risk-based verification. Application channels still differ: Chase publishes an online SSN path and a branch no-SSN route; Capital One 360 Checking lists SSN or ITIN. Bank of America’s international-professional guide describes a financial-center appointment with status-specific documents. Ally accepts applications online and by telephone, with no branch route. Use the linked institution guides to check the exact product and current source.
Decision path
Exact channel supports your documents/tax ID → apply there. Online path does not support your situation but branch path exists → use branch. Verification fails → solve identity mismatch. Denial based on a consumer report → move to the checking-account-denial workflow.
What to do next
Use legal name/address exactly as supported by documents. Re-check opening deposit/monthly-fee terms for the exact product. Save adverse-action or identity-verification notices.
Important limits
SSN and ITIN policies depend on the institution and application channel. Opening deposits can differ by product. Providing all requested documents does not guarantee approval.
Sources and scope
Last verified: October 7, 2026.
FinCEN CIP framework · CFPB — checking-account denial
Rules and service limits can change. Use the linked agreement for your account and the notice shown for this transaction; if they differ, ask the institution to explain which provision applies.
Evidence checklist before support or escalation
Record institution, exact product, online/branch/phone channel, age/ownership structure, taxpayer-ID option shown, accepted ID/address requirements, minimum opening deposit and any verification/adverse-action notice. The channel/product combination is essential.
Detailed FAQ
Q: Does federal CIP require every bank to accept the same documents? A: No. Federal rules establish identification/verification obligations, while each institution has risk-based procedures and supported channels. Q: If the online form asks for SSN, does that prove ITIN is not accepted anywhere at the bank? A: No. Some institutions publish branch or other paths with different identification options. Q: Is the minimum opening deposit the same as a minimum ongoing balance? A: Not necessarily; product disclosures distinguish opening funding, maintenance balance and fee-waiver conditions. Q: Can I use a P.O. box as my only address? A: That is not guaranteed; institutions commonly need a residential/street address under their identification process. Q: If I provide every requested document, am I guaranteed approval? A: No. Identity completion is one gate; eligibility, consumer reports and other account-opening policies can still matter. Q: Should I apply repeatedly after an identity or denial message? A: No. First identify the category and correct the underlying issue or obtain the report/notice involved.
When to switch to an institution-specific page
Use the institution’s opening guide when the answer depends on the account, your identifying documents or the application channel. A verification error and a consumer-report denial need different next steps.
Related guides
How to complain about a bank or credit union and choose the right regulator: /problems/complaint-regulator-escalation/
Bank of America application channels: /open-join/bank-of-america/
Ally application channels: /open-join/ally-bank/