Where the holder of a promissory note seeks to file suit for breach of contract and that note contains a clause requiring proper notice of default and acceleration precedent to filing suit, unless the notice is substantively proper and contains the contractually required elements the holder of the note cannot file suit.The 1st District Appellate Court reversed the decision of Cook County Circuit Judge Brigid Mary McGrath.Robert Cruz and Juan Calderon purchased a condominium in 2004 financed by a promissory note for $69,800 …