HE CHANGE FEE APPLIES PER TRANSACTION AND PERSON.
A CHANGE IS A ROUTING / OR DATE / OR FLIGHT
MODIFICATION.
CHANGE IS PERMITTED WITHIN TICKET VALIDITY OF
ORIGINAL TICKET.
THE ORIGINAL NON-REFUNDABLE AMOUNT REMAINS
NON-REFUNDABLE.
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WHERE THIS FARE IS COMBINED WITH ANOTHER FARE AND
ONLY ONE FARE COMPONENT IS CHANGED THE PENALTY
CONDITIONS OF THE CHANGED FARE COMPONENT WILL
APPLY.
WHEN MORE THAN ONE FARE COMPONENT IS BEING CHANGED
THE HIGHEST PENALTY OF ALL CHANGED FARE COMPONENTS
WILL APPLY.
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IN CASE OF UPGRADE TO A HIGHER FARE OR IF THE
ITINERARY RESULTS IN A HIGHER FARE THE DIFFERENCE
WILL BE COLLECTED -AND- THE CHANGE FEE WILL BE
APPLIED.

Am I understanding this right that what I was asking about is almost always "upgrade to a higher fare", since you simply can't buy intercontinental tickets a few days before flying at the same fare as weeks in advance?