The eTax Mobile electronic tax system is provided by the General Department of Taxation with the following main functions:- Look up taxpayer information (tax registration information of taxpayers).- Look up electronically submitted tax returns.- Register an electronic tax transaction account with the tax authority.- Change account registration information.- Look up the amount of tax payable to the state budget (including personal income tax of salaried individuals; VAT and personal income tax of business individuals; VAT and personal income tax of individuals renting houses; LPTB of cars and motorbikes; financial services on land of the transferor, transfer of land rights).- Look up dependent information.- Change account registration information.- Utilities for taxpayers.- Taxpayer.- Link account.- Unlink the account.- Scan QR codes.