The price differences could be due to various circumstances like market fluctuations, specific price pressure in case of oversupply etc. and willingness to dump etc. In any event, what matters with regard to the application of the PCN scheme is that is consistently applied for all parties concerned by the case.
Hinnaerinevused võivad tuleneda erinevatest asjaoludest, nagu turu kõikumine, teatav hinnasurve ülepakkumise puhul jne ning ka valmidusest dumpinguhindadega müümiseks. Igal juhul on toote kontrollkoodi meetodi puhul oluline see, et seda rakendatakse järjekindlalt kõikide juhtumiga seotud osaliste suhtes.