### Clue: Old writer reportedly to snatch feasible time when anything goes (4,6)
### Answer: OPEN SEASON 
 ### Explanation: Definition: time when anything goes
 O(abbrev. for "old") + PEN(a writing instrument) + **homophone of**(reportedly) "seize"(to snatch) + ON(feasible, usually used in the negative sense, as in "your proposal is not on";not workable).