The presidency has said the tax reform bill before the National Assembly is not targeted at the 19 northern states.The governors of the 19 Northern states had rejected the bill, especially the proposed amendment to the distribution of Value Added Tax (VAT) to a derivation-based model.But in a statement, presidential spokesman, Bayo Onanuga, said the new proposal, as enunciated in the bill, is designed to create a fairer system that will benefit all states....