Deduction of VAT from supply bill. Home › Forums › Tax › Deduction of VAT from supply bill. This topic is empty. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 01.01.2013 at 3:24 pm #68342 AnonymousInactive Contractors already paid VAT while purchasing the material from the market before supplying it to the Govt. departments. Hence, there is no question of deduction of VAT further. 01.01.2013 at 4:12 pm #76227 AnonymousInactive Hire charges of Vehicles, dismantling of materials, supply of materials will not attract STDs. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In