Local tax bureaus will supply invoices with special two-dimensional codes to the society one after another. Taxpayers who receive local tax invoices must report the use of invoices to the tax authorities within three months. Taxpayers who hold old invoices should go to the tax authorities to check and sell the old invoices and receive new invoices within three months after receiving and purchasing invoices. The old invoice will be discontinued on May 3, 20 151day.