Do developers have to publicize the expiration of the housing warranty period?

Must be publicized. The housing warranty period stipulates that the developer must make an announcement when the housing warranty period expires. Housing warranty period refers to the period when the property development and construction unit undertakes the warranty responsibility to the owner after the property is delivered for use. Article 33 of the Measures for the Administration of Commercial Housing Sales stipulates that the warranty period shall be calculated from the date of delivery.