Is there a limit to the amount of cash you can deposit into someone else's account at a different bank Is there a limit where identification is required?

Yes, there can be limits on the amount of cash you can deposit into someone else's account at a different bank, and these limits vary by institution and jurisdiction. Many banks may require identification for deposits above a certain threshold, often to comply with anti-money laundering regulations. It's advisable to check with the specific bank for their policies and any required identification for such transactions.