(1)  In this Article:
       (a)   "Authorized  account" means a deposit account of a customer
           in a bank designated by the customer as a source  of  payment
           of  payment  orders issued by the customer to the bank.  If a
           customer does not so designate an account, any account of the
           customer is an authorized account if  payment  of  a  payment
           order   from   that   account  is  not  inconsistent  with  a
           restriction on the use of that account.
       (b)  "Bank" means a person engaged in the business of banking and
           includes a savings bank, savings and loan association, credit
           union, and trust company.  A branch or separate office  of  a
           bank is a separate bank for purposes of this article.
       (c)   "Customer"  means  a  person,  including  a bank, having an
           account with a bank or from whom a bank has agreed to receive
           payment orders.
       (d)  "Funds-transfer business day" of a receiving bank means  the
           part of a day during which the receiving bank is open for the
           receipt,  processing,  and  transmittal of payment orders and
           cancellations and amendments of payment orders.
       (e)  "Funds-transfer  system"  means  a  wire  transfer  network,
           automated  clearing house, or other communication system of a
           clearing house or other association of banks through which  a
           payment  order  by  a  bank may be transmitted to the bank to
           which the order is addressed.
       (f)  "Good faith" means honesty in fact  and  the  observance  of
           reasonable commercial standards of fair dealing.
       (g) "Prove"  with  respect  to a fact means to meet the burden of
           establishing the fact (subsection (b)(8) of section 1--201).
  (2)  Other definitions applying to this Article and  the  sections  in
which they appear are:
 
     "Acceptance"                  Section 4-A-209
     "Beneficiary"                 Section 4-A-103
     "Beneficiary's bank"          Section 4-A-103
     "Executed"                    Section 4-A-301
     "Execution date"              Section 4-A-301
     "Funds transfer"              Section 4-A-104
     "Funds-transfer system rule"  Section 4-A-501
     "Intermediary bank"           Section 4-A-104
     "Originator"                  Section 4-A-104
     "Originator's bank"           Section 4-A-104
     "Payment by beneficiary's
      bank to beneficiary"         Section 4-A-405
     "Payment by originator
       to beneficiary"             Section 4-A-406
     "Payment by sender to
       receiving bank"             Section 4-A-403
     "Payment date"                Section 4-A-401
     "Payment order"               Section 4-A-103
     "Receiving bank"              Section 4-A-103
     "Security procedure"          Section 4-A-201
     "Sender"                      Section 4-A-103
  (3) The following definitions in Article 4 apply to this Article:
     "Clearing house"              Section 4-104
     "Item"                        Section 4-104
     "Suspends payments"           Section 4-104
  (4)  In addition Article 1 contains general definitions and principles
of construction and interpretation applicable throughout this Article.