Traders in Karachi termed the imposition of 0.3 percent withholding tax on all bank transactions unjustified and called for a shutter-down on Wednesday.
Meanwhile, Pakistan Tehreek-i-Insaf, Jamaat e Islami and Muttahida Qaumi Movement have also announced to support the strike.
They were of the view that the levy was undue and that it will burden the trade fraternity.