Originally Posted by headinclouds

Does the requirement of using a BA marketed flight from TC2 to TC1/3, i.e. from Africa/Europe to N/S America or Asia/Oceania apply after the 1st flight has been flown?

If a travel agent did the original ticketing and the first flight is already flown, would one contact the issuing airline (Sri Lankan in your case) for changes or just contact the OW airline that one intended to use for the next flight segment?

Lastly, do the rules as of the ticketing date apply or the rules of the date that the fare was filed? Some changes are now valid which were not valid even 1 year ago.

Originally Posted by anabolism

It was easy to obtain at the time of ticketing, and is still easy to obtain from EF. In EF, do a fare search for sez-sez with a ticketing date of the date you did ticket. In the list of returned fares, click the "Fare Rules" icon for the fare you ticketed.