The FA permitted artificial turf (3G) pitches in all rounds of the competition from the 2014–15 edition and beyond. Under the 2015-16 rules, the pitch must be of FIFA One Star quality, or Two Star for ties if they involve one of the 92 professional clubs.
Is the use of artificial turf allowed? 
The FA permitted artificial turf (3G) pitches in all rounds of the competition from the 2014–15 edition and beyond.