税务专邮是纳税人将呈报税务机关的纳税申报表，以及其它需要报送的申请书、报表等使用税务机关印制的税务专邮信封，通过邮电部门用双挂号形式寄还税务机关。而税务机关则使用专用的税务专邮信函，将需要发送给纳税人的税款催报催缴、限期缴纳税款、办理税务登记通知书等各种? Tax stamps are the taxpayers will be submitted to the tax authorities tax returns, and other applications need to submit the report, the use of tax authorities to print the tax stamp envelope, through the post and telecommunications departments in the form of double registration with the tax authorities. The tax authorities use a dedicated tax postal letter, the tax will be sent to the taxpayer reminder reminders, deadline to pay taxes, for tax registration notices and other?