The Import Price Index (IPI) measures monthly price changes of products which are imported by domestic businesses under specified CPA codes from non-euro area countries.
Prices should be reflective of the price charged on the 15th of the reference month.
A list is provided under your CPA code (as stated on your invitation letter/email), with detailed descriptions and examples of the type of detail the CSO are looking for.
These CPAs will appear at a 4 digit level, for example CPA 21.10.5 will be listed under CPA 21.10.
Any products across the five digit CPA codes is acceptable.