I've tried using:
DoCmd.OpenForm "frmDriverNoticeRecord", , , "IncidentID = " & Me.IncidentID
and
DoCmd.OpenForm "frmDriverNoticeRecord", , , "IncidentID = " & Me![IncidentID]
and
DoCmd.OpenForm "frmDriverNoticeRecord", , , "IncidentID = " & Me.ActiveControl
They give the same result...