Changes in the Classification of Goods and Services in the Consumer Price Index

A Practical Guide
Guiding CPI compilers, this resource details methods for revising the classification of goods and services, offering supplementary advice and practical examples that extend the 2020 CPI Manual. It outlines clear strategies to implement these adjustments while reaffirming the manual as the definitive reference.
This Guide recommends suitable methods and practices for implementing changes in the classification of goods and services in the CPI. It complements the 2020 CPI Manual by presenting additional and more detailed guidance and examples of good practices for implementing classification changes in the CPI. Compilers of the CPI should continue to refer to the CPI Manual as the definitive reference for CPI compilation.

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