The first four digits of invoice code are administrative division codes of provinces, cities, districts and cities with separate plans, the fifth and sixth digits are year codes, the seventh digit is quarter codes, the eighth digit is language codes, the ninth digit is joint codes, and the tenth digits are all zeros. At present, the tax authorities have not yet opened the taxpayer's special invoice inquiry business.
Therefore, it is not possible to distinguish the authenticity of special invoices from their codes, but it is necessary to distinguish the authenticity of special invoices. You can take your ticket to the tax service hall and identify it by the ticket inspector.