Based on the Law on Tax Administration, Decree 123/2020/ND-CP, Circular 78/2021/TT-BTC, Decision No. 1391/QD-TCT, Official Letter No. 406/TCT-DNNCN, Official Letter 15461/ CTTPHCM-TTHT on deploying the use of E-invoice with authentication code of Tax Authorities which are generated from the cash register (POS). We have launched AM-POS – a solution for e-invoices generated from cash register…