Owners, agents of owners, managing agents and superintendents shall each have the duties imposed by this chapter. No person shall be relieved from any duty herein by reason of the fact that an occupant or other person shall have the same or similar duties or shall have failed to report a violation; nor shall any person be relieved of liability by the terms of any lease or agreement.
Owners, agents, tenants and occupants shall place refuse only in receptacles provided for disposal. Refuse shall not be thrown out of windows or down dumbwaiters; nor shall refuse be placed on stairways or fire escapes or in common hallways.
An occupant shall be liable for violations of this chapter to the extent that he has the power to prevent a violation or assist in abating a violation. Occupants shall be deemed to have the power to abate a violation if the violation is caused by their own act or the act of a member of their family or household or their guests.