To ensure that you have the most up-to-date and complete materials for your Commercial Law class, be sure to use Comprehensive Commercial Law, 2009 Statutory Supplement. New to this edition: Brief editorial notes explaining the differences between pre-amended and post-amended versions of UCC Articles 3 and 4. Revisions to Regulations E and CC Revisions To The NACHA Rules The official comment To The amendment of sec. 1-301 in Revised Article 1