according to the data of accounting net, "the valid mark of tax reminder instrument is No" means that the instrument is marked as invalid or ineffective. When the tax authorities issue a reminder, they usually mark an effective sign on the document to confirm the effective status of the document. If the sign shows "No", it means that the reminder is invalid and has not yet taken effect.

a reminder is usually a notice issued by the tax authorities to taxpayers, asking them to fulfill their tax obligations, such as paying taxes, paying back taxes or providing relevant tax information. The validity of these instruments is related to the responsibilities and obligations of taxpayers. Once they come into effect, taxpayers must fulfill their corresponding obligations according to the requirements stipulated in the instruments.