The following are the basic steps to complete your request. If you are submitting a BANK STATEMENT, please refer to the following requirements: " If the bank statement is not in English, provide a translation.Please print and fill out the Application for CAPI. Once completed, mail it to: Metro North District Office 2601 Wilshire Blvd. Most banks will accept a bank statement as proof of address, provided it's recent. The general period for relevance is three months. Proof that you live in California, which can be your photo ID. Proof of your checking account, like a voided check, bank letter or statement. Provide a printed copy of the verification letter with your U.S. Citizenship and Immigration Services (USCIS) paperwork.