Support Home Procedures When does an OCU check need a second signature? When does an OCU check need a second signature? All Oregonians CU teller or Cashier checks in an amount of $10,000 or more must be signed by a second authorized signer. Related Questions: What are the steps for daily branch balancing? Ops Update- My Rewards Checking What is the max cash withdrawal amount allowed when processing off line transactions? Ops Update ‐ Common Check Order Errors Was this article helpful? Yes / No