It means:

FARE BASIS CODE
ZKILRE

BK CODE
Z‡ -

PENALTY
CANCELLATIONS BEFORE DEPARTURE CHARGE USD 400.00 FOR CANCEL/NO-SHOW/REFUND. AFTER DEPARTURE TICKET IS NON-REFUNDABLE. NOTE - IF ANY PORTION OF THE TICKET HAS BEEN USED THE PASSENGER IS NOT ENTITLED TO ANY REFUND. CHANGES BEFORE DEPARTURE CHARGE USD 400.00 FOR REISSUE/REVALIDATION. CHILD/INFANT DISCOUNTS APPLY. WAIVED FOR ILLNESS OR DEATH OF PASSENGER OR FAMILY MEMBER. NOTE - --ALL CHANGES MUST BE MADE PRIOR TO THE ORIGINALLY SCHEDULED FLIGHT AS SHOWN ON THE AFFECTED FLIGHT COUPON. --IF THE CHANGE IS NOT MADE PRIOR TO THE ORIGINAL SCHEDULED FLIGHT AS SHOWN ON THE AFFECTED FLIGHT COUPON THE ENTIRE FARE MUST BE RE-PRICED USING CURRENT FARES. ALL PROVISIONS OF THE NEW FARE MUST BE MET. --IF CHANGES ARE MADE TO THE FIRST TICKETED FLIGHT COUPON THE ITINERARY MUST BE RE-PRICED USING CURRENT FARES. ALL PROVISIONS OF THE NEW FARE MUST BE MET. --IF CHANGES ARE MADE TO OTHER THAN THE FIRST TICKETED FLIGHT COUPON THE FARE IN EFFECT AT THE TIME OF ORIGINAL TICKET ISSUE WILL APPLY. ALL PROVISIONS OF THE FARE APPLY EXCEPT FOR ADVANCE RESERVATION AND TICKETING REQUIREMENTS. CHANGE FEE APPLIES. --IF THE CHANGES REQUESTED BY THE PASSENGER DO NOT QUALIFY FOR THE ORIGINAL TICKETED FARE THE ENTIRE FARE MUST BE RE-PRICED USING CURRENT FARES. ALL PROVISIONS OF THE NEW FARE MUST BE MET. CHANGE FEE APPLIES. --IF THE NEW ITINERARY RE-QUALIFIES FOR THE ORIGINALLY TICKETED FARE BUT RESULTS IN A HIGHER FARE AMOUNT THE DIFFERENCE IN FARE AND THE CHANGE FEE MUST BE COLLECTED AT THE TIME OF REISSUE USING FARES IN EFFECT ON THE DATE OF ORIGINAL ISSUE. --IF THE NEW ITINERARY RE-QUALIFIES FOR THE ORIGINALLY TICKETED FARE BUT RESULTS IN A LOWER FARE / THE DIFFERENCE IN FARE WILL BE APPLIED TO THE CHANGE FEE AND ANY RESIDUAL VALUE WILL BE REFUNDED TO THE ORIGINAL FORM OF PAYMENT. RECALCULATION WILL BE DONE USING FARES IN EFFECT ON THE DATE OF ORIGINAL ISSUE. --WHEN THE INBOUND CHANGE RESULTS IN A DIFFERENT HIGHER FARE THE VALUE OF THAT PORTION WILL BE APPLIED TO THE RE-PRICE USING FARES IN EFFECT ON THE DATE OF ORIGINAL TICKET ISSUE. CHANGE FEE OF THE ORIGINAL FARE APPLIES. --THE FULL VALUE OF THE ORIGINAL TICKETED FARE MAY BE APPLIED TOWARDS THE UPGRADE OF THE ENTIRE TICKET TO A HIGHER NORMAL FARE TYPE OR A HIGHER REGULAR EXCURSION FARE TYPE USING CURRENT FARES. ALL PROVISIONS OF THE NEW FARE MUST BE MET. NO CHANGE FEE IS COLLECTED. --WHEN A NEW FARE IS INTRODUCED IN A MARKET TICKETED PASSENGER MAY DOWNGRADE PRIOR TO DEPARTURE OF THE ORIGINATING FLIGHT. NO CHANGES TO THE ITINERARY ARE PERMITTED. ALL PROVISIONS OF THE NEW FARE MUST BE MET. AN ADMINISTRATIVE FEE OF 100 USD OR ITS EQUIVALENT CONVERTED AT THE BANK RATE WILL APPLY TO ANY TICKETS OR UNTICKETED PTAS PRESENTED FOR DOWNGRADE. THE DIFFERENCE IN FARE WILL BE APPLIED TO THE ADMINISTRATIVE FEE AND ANY RESIDUAL VALUE WILL BE REFUNDED TO THE ORIGINAL FORM OF PAYMENT. --THE ORIGINAL PENALTY AMOUNT MUST BE CARRIED FORWARD TO THE ENDORSEMENT BOX OF THE NEW TICKET AFTER DEPARTURE CHARGE USD 400.00 FOR REISSUE/REVALIDATION. CHILD/INFANT DISCOUNTS APPLY. WAIVED FOR ILLNESS OR DEATH OF PASSENGER OR FAMILY MEMBER. NOTE - --IF CHANGES ARE MADE TO DOWNLINE FLIGHT COUPONS THE FARE MUST BE REPRICED USING FARES / RULES AND RATE OF EXCHANGE IN EFFECT ON THE DATE OF ORIGINAL TICKET ISSUE. --IF THE NEW ITINERARY REQUALIFIES FOR THE ORIGINALLY TICKETED FARE BUT RESULTS IN A HIGHER FARE AMOUNT THE DIFFERENCE IN FARE AND THE CHANGE FEE MUST BE COLLECTED AT THE TIME OF REISSUE USING FARES IN EFFECT ON THE DATE OF ORIGINAL ISSUE. --WHEN THE ITINERARY RE-QUALIFIES FOR THE ORIGINALLY TICKET FARE BUT RESULTS IN A LOWER FARE/NO REFUND WILL BE GIVEN. CHANGE FEE APPLIES. RECALCULATION WILL BE DONE USING FARES IN EFFECT ON THE DATE OF ORIGINAL ISSUE. --IF THE CHANGE IS NOT MADE PRIOR TO THE ORIGINALLY SCHEDULED FLIGHT AS SHOWN ON THE AFFECTED FLIGHT COUPON THE TICKET HAS NO VALUE. --IF THE CHANGES RESULT IN THE INBOUND PORTION BEING A DIFFERENT EQUAL OR HIGHER FARE / THE VALUE OF THAT PORTION WILL BE APPLIED TO THE REPRICE USING FARES / RULES AND RATE OF EXCHANGE IN EFFECT ON THE DATE OF ORIGINAL TICKET ISSUE. CHANGE FEE OF ORIGINAL FARE APPLIES. --THE FULL VALUE OF THE ORIGINAL TICKETED FARE MAY BE APPLIED TOWARDS THE UPGRADE OF THE ENTIRE TICKET TO A HIGHER NORMAL FARE TYPE OR HIGHER REGULAR EXCURSION FARE TYPE USING FARES IN EFFECT ON THE DATE OR ORIGINAL ISSUE. ALL PROVISIONS OF THE NEW FARE MUST BE MET. NO CHANGE FEE IS COLLECTED. --THE ORIGINAL NON-REFUNDABLE AMOUNT REMAINS NON-REFUNDABLE AND MUST BE CARRIED FORWARD TO THE ENDORSEMENT BOX IF THE NEW TICKET. --IF THE ONLY COUPONS REMAINING ARE FOR DOMESTIC TRAVEL / THE TICKET MAY NOT BE REISSUED FOR FURTHER INTERNATIONAL TRAVEL. --- EXCEPTION- DEATH OF FAMILY MEMBER NOT ACCOMPANYING PASSENGER. IN THE EVENT A PASSENGER RETURNS PRIOR TO THE MINIMUM STAY REQUIREMENT DUE TO THE DEATH OF AN IMMEDIATE FAMILY MEMBER NOT TRAVELING WITH THE PASSENGER ADDITIONAL AMOUNTS PAID IN ORDER TO RETURN EARLY WILL BE REFUNDED TO THE PASSENGER PROVIDED A VALID DEATH CERTIFICATE IS TURNED IN TO UA. NO REFUND WILL BE GIVEN IF THE PASSENGER IS UNABLE TO PRODUCE A VALID DEATH CERTIFICATE. --- DEATH OF PASSENGER ENROUTE. IN THE EVENT OF DEATH OF THE PASSENGER THE FARE WILL BE REFUNDED TO THE PASSENGERS ESTATE IN ACCORDANCE WITH THE PROVISIONS IN RULE 90 /REFUNDS/. ANY APPLICABLE ADMINISTRATIVE SERVICE CHANGE WILL APPLY. --- DEATH OF PASSENGER ENROUTE - MINIMUM STAY WAIVER. THE MINIMUM STAY REQUIREMENT WILL BE WAIVED DUE TO DEATH OF A PASSENGER AS SUBSTANTIATED BY A VALID DEATH CERTIFICATE WHEN THE SURVIVING COMPANION PASSENGER/S/ DESIRES TO RETURN TRAVEL PRIOR TO THE MINIMUM STAY REQUIREMENT. THE TICKET MUST BE ENDORSED -EARLY RETURN DUE TO DEATH OF /DECEASED PASSENGERS NAME/-. --- EXCEPTION- MEDICAL - TICKET EXTENSION - IF APPLICABLE BASED ON FARE RULE INFORMATION IN CATEGORY 15. DUE TO ILLNESS AS SUBSTANTIATED BY A VALID MEDICAL CERTIFICATE THE PERIOD OF VALIDITY WILL BE EXTENDED UNTIL THE PASSENGER IS AGAIN FIT TO TRAVEL UP TO A MAXIMUM OF THREE MONTHS. PASSENGER MAY ONLY RETURN TO THE ORIGINAL POINT OF ORIGIN. THIS PROVISION ALSO APPLIES TO PASSENGERS TRAVELLING WITH THE INCAPACITATED PASSENGER. MEDICAL - MINIMUM STAY WAIVER - IF APPLICABLE BASED ON FARE RULE INFORMATION IN CATEGORY 15. THE MINIMUM STAY REQUIREMENT WILL WAIVED DUE TO ILLNESS AS SUBSTANTIATED BY A VALID MEDICAL CERTIFICATE OF THE PASSENGER IMMEDIATE FAMILY MEMBER OR TRAVELING COMPANION. A VALID MEDICAL CERFITICATE VERIFYING HOSPITALIZATION MUST BE PRESENTED TO UA AT THE TIME OF RE-TICKETING. THE TICKET MUST BE ENDORSED -EARLY RETURN DUE TO ILLNESS OF /PASSENGERS NAME/-.

This means that if you cannot use the ticket, there is no benefit to "saving it" or changing it-- just refund it (minus the $400) and start over. Refundable and changable with a $400 penalty is the bottom line.

Good luck
--aw