 The 2010 edition (CIP 2010) is the fourth and current revision of the taxonomy.Instructional programs are classified by a six-digit CIP at the most granular level and are classified according to the two-digit and four-digit prefixes of the code.For example, "Forensic Science and Technology" has the six-digit code 43.0106, which places it in "Criminal Justice and Corrections" (43.01) and "Homeland Security, Law Enforcement, Firefighting and Related Protective Services" (two-digit CIP 43).