(a) The tenant

(1) shall keep that part of the premises occupied and used by the tenant as clean and safe as the condition of the premises permit;

(2) shall dispose all ashes, rubbish, garbage, and other waste from the dwelling unit in a clean and safe manner;

(3) shall keep all plumbing fixtures in the dwelling unit or used by the tenant as clean as their condition permits;

(4) shall use in a reasonable manner all electrical, plumbing, sanitary, heating, ventilating, air-conditioning, kitchen, and other facilities and appliances, including elevators, in the premises;

(5) may not deliberately or negligently destroy, deface, damage, impair, or remove a part of the premises or knowingly permit any person to do so;

(6) may not unreasonably disturb, or permit others on the premises with the tenant's consent to unreasonably disturb, a neighbor's peaceful enjoyment of the premises;

(7) shall maintain smoke detection devices and carbon monoxide detection devices as required under AS 18.70.095;

(8) may not, except in an emergency when the landlord cannot be contacted after reasonable effort to do so, change the locks on doors of the premises without first securing the written agreement of the landlord and, immediately after changing the locks, providing the landlord a set of keys to all doors for which locks have been changed; in an emergency, the tenant may change the locks and shall, within five days, provide the landlord a set of keys to all doors for which locks have been changed and written notice of the change;

(9) may not unreasonably engage in conduct, or permit others on the premises to engage in conduct, that results in the imposition of a fee under a municipal ordinance adopted under AS 29.35.125; and

(10) may not allow the number of individuals occupying the premises to exceed the number allowed by applicable law, by a covenant limiting the landlord's use of the premises, or the rental agreement.

(b) The tenant may not knowingly engage at the premises in prostitution, an illegal activity involving a place of prostitution, an illegal activity involving alcoholic beverages, an illegal activity involving gambling or promoting gambling, an illegal activity involving a controlled substance, or an illegal activity involving an imitation controlled substance, or knowingly permit others in the premises to engage in one or more of those activities at the rental premises.

(c) When terminating the tenancy, the tenant shall leave the premises in substantially the same condition, except for normal wear and tear, as the condition of the premises at the beginning of the tenancy, including, in the landlord's discretion, professionally cleaning the carpets if the carpets were professionally cleaned immediately before the tenancy began. In this subsection, “normal wear and tear” has the meaning given in AS 34.03.070.