MANILA, Philippines— Taxpayers may refuse tax audit requests that are not within the scope and limits of audit instruments such as letters of authority (LOAs) and mission orders, according to the Bureau of Internal Revenue (BIR). This is in line with Revenue Memorandum Order (RMO) No. 1-2026, which was explained in details by BIR Commissioner Charlie Mendoza during Tuesday’s hearing of the Senate blue ribbon committee. According to Mendoza, the new rules clarify the proper use of the LOA, MO, and the Tax Verification Notice. “By prescribing mandatory labels for these instruments, the Bureau provides taxpayers with explicit notice of […]... Keep on reading: Taxpayers may refuse audit requests under new BIR rules