According to the Law of People's Republic of China (PRC) on the Administration of Tax Collection, which came into effect on 1992, taxpayers, withholding agents and withholding agents shall truthfully provide various information and supporting documents related to tax. Therefore, the unit can see the tax investigation letter and has the obligation to provide corresponding tax-related information and materials according to the contents of the letter.
The tax investigation letter is an investigation letter sent by the tax authorities to the taxpayer's unit, asking the unit to provide tax-related information and materials to assist the tax authorities in tax investigation. The contents of the letter generally include information such as the investigation requirements, investigation time, investigation scope and investigation purpose of the tax authorities.