When a U.S. control number or “CONNUM” is the same as the comparison market CONNUM the USDOC determines the products to be identical. However, when the identical comparison market CONNUM was not sold, how does the USDOC’s SAS computer programming go about identifying the “most similar” comparison market match?

What appears simple on the surface is, in fact, not very simple at all. As a result, the road to understanding, let alone mastering, these calculations can be daunting.