definiens: -shall mean, with respect to any amount to be calculated, or which ispaid or received in a currency other than US Dollars, the ratereported in the Wall Street Journal for the purchase of US Dollarswith such currency except if such currency is New Israel Sheqels, in which case such rate shall be the Bank Hapoalim Rate as definedbelow, on the last Business Day prior to the date of calculation, payment or receipt, as the case may be ; for the purpose of theabove, shall be a day, other than a Saturday, Sunday or other day on which the principal banks located in NewYork are not open for business during normal banking hours ; and shall mean the average of the selling andbuying exchange rates of New Israel Sheqels ( in respect of chequesand remittances ) and the US Dollar prevailing at Bank HapoalimB.M. at the end of business on the date of calculation, payment orreceipt, as the case may be ; 1.2.4