Provide decoration, go to the tax bureau to apply for a development ticket, there is no need to deduct the cost, so there is no need to provide proof of the cost.

The invoice issued by the tax bureau is based on the total price of decoration, and the difference cannot be deducted from the cost.

Income tax is also pre-collected according to the total decoration price multiplied by a certain percentage of the collection rate, and there is no need to verify the actual cost.

Take the ID card or business license and other documents needed for invoicing and the tax payable, and go to the tax bureau within your jurisdiction to handle it.