On March 18, 2012 during a league match at the Toa Payoh Stadium between Balestier Khalsa FC and Woodlands Wellington, Zulkiffli was sent-off by referee K Kalimuthu for making remarks of an offensive and racist nature to Woodlands defender Fabien Lewis.
The sending-off earned Zulkiffli an automatic two-match ban, and he subsequently was charged by FAS for his misconduct which had brought the game into disrepute.
The FAS Disciplinary Committee, consisting of a six-member panel led by chairman K Balachandran, deliberated over the case for an hour before reaching their verdict.
The five-match ban, which will take effect immediately and includes the mandatory two-match suspension that Zulkiffli has since served for receiving a red card in the above-mentioned game.
The fine of S$1,000 is suspended on the provision that the player is not found guilty by the Disciplinary Committee of any further misconduct from now till the end of the 2012 S.League season.