Behind in payments due to rain damage on rear and top sections (2,7)
I believe the answer is:
in arrears
'behind in payments' is the definition.
'in arrears' can be an answer for 'behind' (behind on payments). I'm not sure about the 'in payments' bit.
'rain damage on rear and top sections' is the wordplay.
'damage' indicates anagramming the letters (I've seen 'damaged' mean this).
'on' means one lot of letters go next to another.
'and' is a charade indicator (letters next to each other).
'top' suggests taking the first letters.
The initial letter of 'sections' is 's'.
'rain' is an anagram of 'inar'.
'inar'+'rear'+'s'='IN ARREARS'
'due to' acts as a link.
Can you help me to learn more?
(Other definitions for in arrears that I've seen before include "Position when a debt remains unpaid after its due date" , "Rare rains beyond the due time" , "Overdue" , "Behind with payments" , "Late with payments" .)