Section 47-4106 - Payable through or payable at bank; collecting bankA. If an item states that it is "payable through" a bank identified in the item:1. The item designates the bank as a collecting bank and does not by itself authorize the bank to pay the item; and2. The item may be presented for payment only by or through the bank.B. If an item states that it is "payable at" a bank identified in the item, the item is equivalent to a draft drawn on the bank.C. If a draft names a nonbank drawee and it is unclear whether a bank named in the draft is a co-drawee or a collecting bank, the bank is a collecting bank.