NAPCS Discussion Papers
Overview of NAPCS Objectives, Guidance, and Implementation Strategy and Goals: A United States Perspective, April 2003 [PDF]
NAPCS Structure Illustration: Possible Product Groups, Sub-Groups, and Classes, April 2003 [PDF]
NAPCS Application in the United States Statistical System: A Proposal, December 2002 [PDF]
An Approach for Identifying and Defining Intellectural Property (IP) and Related Products in Product Classification Systems, September 2002 [PDF]
North American Product Classification System: Concepts and Process of Identifying Service Products, September 2002 [PDF]
North American Product Classification System (NAPCS): What's Been Done; What's Being Done; What's Next, April 2002 [PDF]
Accounting for Non-Market Products and Activities in NAPCS, February 2001 [PDF]
Guidelines for Grouping and Aggregating Products in NAPCS, December 1999 [PDF]
Identification and Classification of Service Products: Phase I of Initiative to Create a North American Product Classification System, April 1999 [PDF]