Like any tax, the VAT is vulnerable to evasion and fraud. It should be said that its concept of credit - refund offers the unique possibility of abuse, which has for a long time the main concern in the European Union (EU), while in Serbia profiled specific form of VAT evasion, so called “ Business with phantom companies “. This paper describes the basic types of tax violations characteristic of VAT, considers how to solve them, based on the experiences of development countries, with a special focus on the specific concept to VAT in Serbia.