(1) " 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.
(2) " 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.
(3) " Customer " means a person, including a bank , having an account with a bank or from whom a bank has agreed to receive payment orders .
(4) " 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.
(5) " 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.
(6) [reserved]
(7) " Prove " with respect to a fact means to meet the burden of establishing the fact (Section 1-201(b)(8) ).
(b) Other definitions applying to this Article and the sections in which they appear are:
" Acceptance " Section 4A-209
" Beneficiary " Section 4A-103
" Beneficiary's bank " Section 4A-103
" Executed " Section 4A-301
" Execution date " Section 4A-301
" Funds transfer " Section 4A-104
" Funds-transfer system rule " Section 4A-501
" Intermediary bank " Section 4A-104
" Originator " Section 4A-104
" Originator's bank " Section 4A-104
" Payment by beneficiary's bank to beneficiary " Section 4A-405
" Payment by originator tobeneficiary " Section 4A-406
" Payment by sender to receiving bank " Section 4A-403
" Payment date " Section 4A-401
" Payment order " Section 4A-103
" Receiving bank " Section 4A-103
" Security procedure " Section 4A-201
" Sender " Section 4A-103
(c) The following definitions in Article 4 apply to this Article:
" Clearing house " Section 4-104
" Item " Section 4-104
" Suspends payments " Section 4-104
(d) In addition Article 1 contains general definitions and principles of construction and interpretation applicable throughout this Article.