Some season tickets include deferred payments (2,4)
I believe the answer is:
on tick
'deferred payments' is the definition.
I don't know anything about this answer so I can't tell whether it can be defined by this definition.
'some season tickets include' is the wordplay.
'some' indicates the answer is hidden within the clue (some of the parts of the word are used).
'ON TICK' is hidden within 'season tickets include'.
Can you help me to learn more?
(Other definitions for on tick that I've seen before include "With payment later" , "still to be paid for" , "By instalments" , "Obtained with credit" , "not yet paid for" .)