The Buyer shall open an Irrevocable At Sight Letter of Credit in favor of Hirsch before April 30, 2000. Irrevocable L/C advise through Bank of America, Los Angles, Ca.. The L/C remains valid for negotiation until the 21st days after the shipment.

• 买方在年月日之前开出以Hirsch为受益人的不可撤销即期信用证。信用证通知行为美洲银行。信用证议付有效期为装运期后第21天止。