Import or local buying & selling is normally liable for VAT other than special mentioned exempted items from Vat.(Ex. import or supply of perfumes,cigarates,liquor,etc....)
Wholesale & Retail companies have threshold to register for VAT commencing from 01 November 2016, as per new implement from goverment.
Liable threshold for wholesale & retail companies any consecutive period of 3 months (Quarterly) of Rs.12.5 Million from that companies supplies(Turnover)
you should know your items that import or buying local were exempted from vat otherwise you are liable for vat
Thank you
Rizkhan