The central competent authority may carry out sample checks or product inspection on the product using the water efficiency label by the user from time to time in the place of the business or the factory of the production; the result shall be made into a report and delivered to the user.If there is any inconsistency between the water efficiency label products in the random inspection or product inspection mentioned in the preceding paragraph and the original application documents, the user shall provide the explanation within one month; and the improvements shall be made within six months, and the central competent authority shall be notified for re-examination.The expense s of the foregoing review shall be borne by the user.Annex I：product item and specification standard of the Water Efficiency Labeling.pdf