Here's the part about changes. Sorry, it's kind of long.
CHANGES
PER TICKET CHARGE USD 125.00 FOR REISSUE.
NOTE -
IN ALL CASES
CHARGE ANY ADDITIONAL INCREASE IN FARE LEVEL.
CHANGES MAY NOT BE MADE AT AN AIRPORT
TICKET COUNTER.
A/ FOR CHANGES MADE THRU ALASKAAIR.COM OR
ALASKA AIRLINES RESERVATIONS
1/ A CHANGE TO AN ITINERARY THAT CONTAINS ONLY
RESTRICTED FARES ANY RESIDUAL AMOUNT IS
NONREFUNDABLE. CHANGES TO AN ITINERARY THAT
CONTAINS BOTH RESTRICTED AND UNRESTRICTED FARES
ANY RESIDUAL AMOUNT IS NONREFUNDABLE. ANY
NONREFUNDABLE DIFFERENCE IN FARE MAY BE ISSUED IN
THE FORM OF A CREDIT CERTIFICATE WHICH CAN BE
APPLIED TOWARDS FUTURE TRAVEL ON ALASKA
AIRLINES AND AIRLINES FLYING UNDER ALASKA
AIRLINES CAPACITY AGREEMENT - HORIZON AIR
OPERATED FLIGHTS / PENAIR OPERATED FLIGHTS
BETWEEN ANCHORAGE AND DUTCH HARBOR / SKYWEST
OPERATED FLIGHTS. A CANCELLATION FEE APPLIES.
CHARGE USD 125.00 FOR CANCELLATIONS / ISSUING OF
A CREDIT CERTIFICATE / MADE THRU ALASKAAIR.COM
B/ FOR CHANGES MADE BY AN AGENCY
1/ CHANGE TO AN ITINERARY THAT CONTAINS ONLY
RESTRICTED FARES ANY RESIDUAL AMOUNT IS NON
REFUNDABLE. CHANGES TO AN ITINERARY THAT
CONTAINS BOTH RESTRICTED AND UNRESTRICTED FARES
ANY RESIDUAL AMOUNT IS NONREFUNDABLE. ANY
DIFFERENCE IN FARE IS FORFEITED.
C/ IN ALL CASES FOR CHANGES MADE THRU
ALASKAAIR.COM OR ALASKA RESERVATIONS OR TRAVEL
AGENCY
1/CHARGE APPLICABLE CHANGE FEE PLUS ANY
ADDITIONAL INCREASE IN FARE LEVEL.
EXCEPTION -
FARES MAY BE UPGRADED TO ANY F- TYPE FARE
WITHOUT COLLECTING THE CHANGE FEE. PASSENGER MUST
PAY ADDITIONAL COLLECTION BETWEEN ORIGINAL FARE
AND FIRST CLASS FARE. THE NEW TICKET MAY BE
REFUNDED TO A CREIDT CERTIFICATE ONLY. NON-REF
MUST BE SHOWN IN THE ENDORSEMENT BOX OF REISSUED
TICKET
2/ IF CHANGES ARE BEING MADE TO ALL SEGMENTS
OF A TICKET THEN PRICE ITINERARY WITH THE CURRENT
FARES AND ALL RULES PROVISIONS MUST BE MET.
3/ IF CHANGES ARE BEING MADE TO ANY FARE
COMPONENT THEN PRICE THE FARE COMPONENTS THAT ARE
CHANGING WITH THE CURRENT FARES AND ALL RULE
PROVISIONS MUST BE MET.
4/ IF CHANGES ARE BEING MADE TO THE 1ST FARE
COMPONENT AND THERE ARE SUBSEQUENT FARE
COMPONENTS THAT ARE NOT CHANGING THEN THE 1ST
FARE COMPONENET MUST BE PRICED WITH CURRENT FARES
AND ALL RULE PROVISIONS MUST BE MET. THE
SUBSEQUENT FARE COMPONENTS DO NOT NEED TO BE
CHANGED.
5/ FOR ALL OTHER CHANGES PRICE ITINERARY WITH
CURRENT FARES AND ALL RULE PROVISIONS MUST BE MET.
IN ALL CASES THE UNUSED SEGMENTS MAY BE PRICED
AT CURRENT FARES AND RULES AND IF THE ITINERARY
PRICES SUCH THAT AN ADD-COLLECT WOULD NOT APPLY
THEN THIS METHOD OF REISSUE MAY BE USED. CHARGE
THE CHANGE FEE AND APPLY THE CANCELLATION
PROVISIONS. THE FEE APPLIES TO DROP A RESTRICTED
SEGMENT.
Edit: Oh I see your point (added emphasis). Since this talks about upgrading to an F-type fare, it means that it's not an F-type fare?