### Clue: With eight sides in National League heading for administration, first month has past (9)
### Answer: OCTAGONAL 
 ### Explanation: Definition: With eight sides
 [NL(abbrev. for "National League") **containing**(in …) **1st letter of**(heading for) "administration"] **placed after**(first) [OCT(abbrev. for the month of October) **plus**(has) AGO(past/before the present time)].