(a) A residential tenant establishes a prima-facie case of retaliation by demonstrating that he or she took an action under subsection (b) of this Code section relating to a life, health, safety, or habitability concern and by demonstrating that his or her landlord took an action under subsection (c) of this Code section.
(b) Elements of a prima-facie case under this Code section include that a tenant:
(1) In good faith exercised or attempted to exercise against a landlord a right or remedy granted to such tenant by contract or law;
(2) Gave a landlord a notice to repair or exercise a remedy under this chapter;
(3) Complained to a governmental entity responsible for enforcing building or housing codes or a public utility, and the tenant:
(A) Claims a building or housing code violation or utility problem that is the duty of the landlord to repair; and
(B) Acts in good faith in that a reasonable person would believe that the complaint is valid and that the violation or problem occurred; or
(4) Established, attempted to establish, or participated in a tenant organization to address problems related to the habitability of the property, such as life, health, or safety concerns.
(c) Elements of a prima-facie case under this Code section include that a landlord, within three months after the date that a tenant takes any action described under subsection (b) of this Code section:
(1) Filed a dispossessory action, except for the grounds set forth in paragraph (2) of subsection (d) of this Code section;
(2) Deprived the tenant of the use of the premises, except for reasons authorized by law;
(3) Decreased services to the tenant;
(4) Increased the tenant's rent or terminated the tenant's lease or rental agreement; or
(5) Materially interfered with the tenant's rights under the