N.Y. Multiple Dwelling Law § 354: Rules of evidence

§ 354. Rules of evidence. In any action to establish a lien or in any

action or proceeding for a fine, penalty or other punishment for a

violation of any of the provisions of this, article, proof of the

ill-repute or the ill-fame of the premises which are the subject-matter

of the action or proceeding or of the inmates thereof, or of those

resorting thereto, shall constitute presumptive evidence that such use

was with the permission of the owner, agent or lessee. The certificate

of the department that the building was intended, arranged or designed

to be occupied as a dwelling shall be presumptive evidence of the fact

that it is so occupied.