CX's published version of the rule (as uploaded here:
http://www.christen.demon.co.uk/CXRule/ ) is:
Code:
Intermediate surface sectors are permitted at the passenger's expense.
Transoceanic surface between TC1-TC2 and TC1-TC3 are not permitted
Exception For travel originating in South West Pacific, one transoceanic surface sector between
TC1-TC2 or TC1-TC3 permitted.