The note shall be factual in nature, as brief and concise as may be, and, in addition, it shall include both the immediate effect and, if determinable or reasonably foreseeable, the long range effect of the measure on racial and ethnic minorities. If, after careful investigation, it is determined that such an effect is not ascertainable, the note shall contain a statement to that effect, setting forth the reasons why no ascertainable effect can be given.
25 ILCS 83/110-15