郭芳因保管不善，将潍房权证坊子字第00188547房屋所有权证书遗失，根据《不动产登记暂行条例实施细则》第二十二条的规定申请补发，现声明该房屋所有权证书作废。　　 

　　特此声明。 

                                                                                                                           声明人：郭芳　                                                                                                                            2018年6月15日