Sec. 47a-12. Breach of agreement by landlord. Tenant's remedies. (a) If there is a material noncompliance by the landlord with the rental agreement or a noncompliance with section 47a-7 which materially affects health and safety, the tenant may deliver a written notice to the landlord specifying the acts and omissions constituting the breach. If the breach is not remedied within fifteen days after receipt of the notice, the rental agreement shall terminate on such date. If substantially the same act or omission which constituted a prior noncompliance of which notice was given, recurs within six months of the first act of noncompliance, the tenant may terminate the rental agreement upon at least fourteen days written notice specifying (1) the date the breach complained of occurred and