Section 4-A-504. Order in Which Items and Payment Orders May Be Charged to Account; Order of Withdrawals From Account

(1) If a receiving bank has received more than one  payment  order  of
  the  sender  or  one  or  more  payment  orders and other items that are
  payable from the sender's account, the  bank  may  charge  the  sender's
  account with respect to the various orders and items in any sequence.
    (2)  In  determining whether a credit to an account has been withdrawn
  by the holder of the account or applied to a debt of the holder  of  the
  account,  credits  first  made  to  the  account  are first withdrawn or
  applied.