(2) If the commissioner has reasonable cause to believe that such harassment has occurred, the commissioner shall suspend the certification of no harassment or waiver thereof and upon the request of the commissioner, the commissioner of buildings shall not approve any plans or issue an alteration or demolition permit with respect to the alteration or demolition of such multiple dwelling or, if such plans have been approved and an alteration or demolition permit has been issued with respect to such alteration or demolition, issue a stop-work notice and order pursuant to section 27-227 of article twenty-four of subchapter one of the building code. Notice of such suspension shall be mailed to the owner of record of such multiple dwelling and shall be filed with the city register.
(3) As soon as reasonably possible, but not later than thirty days after such suspension, the commissioner shall hold a hearing in the manner provided in section 27-2092 of this article upon appropriate notice and shall determine whether to rescind such certification; provided, however, that if, prior to the commencement of substantial work, the owner has been found by the office of rent control, the conciliation and appeals board or any court having jurisdiction, to have engaged in harassment, unlawful eviction or arson at the multiple dwelling, the commissioner may rescind such certification without holding a hearing. At such hearing the owner shall have an opportunity to be heard by the commissioner or a designee of the commissioner.