The internship was conducted at PT. Ofisi Prima Konsultindo located at AKR Tower 17th floor, Unit A, Kebon Jeruk from June 15th, 2019 to August 21th, 2019 with the position as a junior consultant. During the internship, the author has handled eleven companies, such as PT AA, PT BB, PT CC, PT DD, PT EE, PT FF, PT GG, PT HH, PT II, PT JJ, and PT KK. The tasks during the internship were input data of tax invoices VAT and bill of lading; reconciled data between tax invoice VAT from tax auditor, tax invoice VAT by client, and bill of lading; input data of bank statement; prepare recapitulation of tax invoices VAT; prepare equalization of input tax; reporting tax return; create tax ID Billing; prepare recapitulation of expense from general ledger...