Transfer Funds > When currencies of accounts differ, at least one of the accounts must be a base currency account

NetSuite requires users to transfer amount first from a non-base currency bank account to a base currency bank account then from that base currency bank account to the other non-base currency bank account:

1. Navigate to Transactions > Banks > Transfer Funds
2. Transfer from Non-Base Currency 1 to Base Currency Bank
3. Navigate to Transactions > Banks > Transfer Funds
4. Transfer from Base Currency Bank to Non-Base Currency 2 Bank