Interpretative Rules of Classification
There are 6 rules for interpretation in CETA, these would be studied in final level in detail
These rules are similar to rules in HSN
What is Trade Parlance Theory
Trade Parlance means Normal trade name in market
If a product is not adequately classified as per CETA, then it should be classified as per popular meaning attached to it
However when tariff heading itself uses highly scientific or technical terms, then is should be classified in scientific or technical sense.