Someone

On $*:TEXT:/(join #|go #|to #|# |)/i:#BKA:{
  if (#BKA isin $1-) { Halt }
  if (#RS isin $1-) { Halt }
  if ($nick isop $chan) || ($nick ishop $chan) { halt }
  if ( $($+(%,BKA.,$nick),2) >= 2 ) {
    ban -ku300 $chan $nick 3 You were warned not to advertise in this channel. Evidence: $1-
    unset %BKA. $+ $nick
  }
  else {
    inc %BKA. $+ $nick
    msg $Chan $c1($nick,$nick) Do not advertise in this channel. Next time is a $+($c1($nick,$iif($($+(%,BKA.,$nick),2) > 1 ,5 Minute Ban,Last Warning)),.) Evidence: $+(",$c1($nick,$1-),")
  }
}