(11) “Security deposit” means any advance rental payment, or any installment payment collected pursuant to section 47a-22a, except an advance payment for the first month's rent or a deposit for a key or any special equipment.
(12) “Successor” means any person who succeeds to a landlord's interest whether by purchase, foreclosure or otherwise and includes a receiver.
(13) “Tenant” means a tenant, as defined in section 47a-1, or a resident, as defined in section 21-64.
(14) “Tenant's obligations” means (A) the amount of any rental or utility payment due the landlord from a tenant; (B) a tenant's obligations under the provisions of section 47a-11; and (C) the actual reasonable cost of changing the locks of the dwelling unit pursuant to section 47a-7b, if the tenant has not paid such cost.
(b) Amount of security deposit. (1) In the case of a tenant under sixty-two years of age, a landlord shall not demand a security deposit in an amount that exceeds two months' rent.
(2) In the case of a tenant sixty-two years of age or older, a landlord shall not demand a security deposit in an amount that exceeds one month's rent. Any landlord who has received a security deposit in an amount that exceeds one month's rent from a tenant who becomes sixty-two years of age after paying such security deposit shall return the portion of such security deposit that exceeds one month's rent to the tenant upon the tenant's request.