AZ SB1421

Prohibits Arizona financial institutions from accepting identification cards issued exclusively to unauthorized aliens or cards with markings indicating the holder did not prove lawful presence when opening accounts or providing services

Makes it unlawful to issue loans in Arizona if the application allows use of an Individual Taxpayer Identification Number (ITIN) as the primary method of identifying the recipient, though lenders may request ITINs after loan execution for borrowers ineligible for Social Security numbers

Bars check cashers from accepting identification cards issued to unauthorized aliens or cards marked as lacking proof of lawful presence

Requires businesses conducting foreign remittance transfers to obtain documentary proof that the individual is not an unauthorized alien before transferring funds, with monthly reporting to the Department of Insurance and Financial Institutions

Establishes enforcement through quarterly compliance audits beginning July 1, 2027, and imposes a civil penalty of 25% of the transfer amount for violations of foreign remittance requirements