Norwich, Conn., Code of Ordinances ch. 4, art. IV § 4-164

(a) Inspections generally; written notice; contents. The enforcement officer is hereby authorized and directed to make inspections to determine compliance with this division. Inspections shall be made between the hours of 9:00 a.m. and 4:00 p.m. Monday through Friday, and every operator or owner shall cooperate with the enforcement officer in providing access to the premises. Whenever the enforcement officer determines that a structure or premises does not conform with the provisions of this division, he shall cause a written notice to be served upon the owner or operator, which shall include:
(1) Enumeration of conditions in the structure that fail to meet the standards of this division;
(2) Enumeration of the remedial action required to meet the standards of this division;
(3) Statement of a specific number of days from the date of notice in which the owner or operator must commence and complete such remedial action;
(4) Statement of the right of appeal, as set forth in this division; and
(5) Statement of the penalties for noncompliance, as set forth in this division.
(b) Copy of notice to be filed. A copy of such notice shall be filed in the office of the building official, and such notice shall be deemed sufficient if served upon the owner or operator by causing said notice to be delivered as follows:
(1) In person; or
(2) By certified mail with return receipt requested; or
(3) By posting a copy of said notice on the building, only if attempts to serve the owner or occupant by the first two methods set out above are unsuccessful.