Leeds have been charged by the Football Association with breaching the governing body’s football agent regulations.
The charge alleging misconduct refers to the transfer of Ross McCormack to Fulham in July 2014, the FA said in a statement.
Scottish striker McCormack left Elland Road in a deal worth BÂ£11million.
Leeds, owner Massimo Cellino and authorised agent Derek Day have all been charged and have until May 20 to respond.
The FA said on its website: “Leeds United have been charged for breaching the FA’s football agent regulations. The alleged misconduct relates to the transaction involving the transfer of Ross McCormack from Leeds to Fulham on 8 July 2014.”