The AFL is set to sanction Greater Western Sydney over the Lachie Whitfield drugs saga.

The 22-year-old is accused of hiding at former Giants’ official Craig Lambert’s house in order to avoid drug testers last year, with the help of former GWS football chief, Graeme Allan.

He was suspended from the game for six months, while Lambert and Allan were slapped with 12 month bans.

It is understood the Giants will be charged will conduct unbecoming by the AFL, with a fine and a loss of draft picks the likely penalty.

The club will however keep all of their draft picks for 2016, with a final decision on exact sanctions to be finalised after the draft, with Giants officials set to be given time to argue their case to the AFL Commission.

If the side loses draft picks, it will most likely be two picks in the 2017 draft.

GWS currently hold picks 2, 15, 37, 39, 45, 52, 57,58, 59 and 72 in this year's draft.