How NAICS affects data users
New industries
New sectors
New code system
Benefits
Breaks in time series

Implementation 
Census Bureau 
BEA 
BLS 
Other agencies 

Product Classification
Service Sector
Manufacturing

Questions?
Ask Dr. NAICS

International
Convergence
Working Group

Development of NAICS 
Introduction
Federal Register  
Issues & concepts 
Papers & speeches 
Concordances

Agency	Conversion Reference Period
U.S. Census Bureau	varies, see list
Bureau of Economic Analysis	varies, see list
Bureau of Labor Statistics	varies, see list
Internal Revenue Service	1999
Small Business Administration	Oct 1, 2000, see statement