If the equity transfer only involves the change of shareholders, but other aspects, such as the name of the enterprise, the type of registration, business projects, etc. , there is no change, only need to go through the formalities of change, do not need to go through the formalities of cancellation.
If the business project changes and the invoices used change, the original purchased invoices shall be applied to the tax authorities for cancellation, and the invoice purchase book, the purchased unused invoices, the invoice stub and the copy of the tax registration certificate shall be submitted to the tax office to fill in the invoice cancellation approval form, and after approval, the invoice management department of the tax authorities shall go through the cancellation procedures.