Conn. Agencies Regs. § 7-572-2
(a) Standards for Certification: Any municipality that desires to issue general obligations under Section 14 or 17 of Public Act 93-421 shall apply to the Secretary for certification. The Secretary may certify as a Tier I or Tier II municipality any municipality which applies to be certified, provided that:
(c) Supervision of Tier I and Tier II Municipalities
(Effective May 3, 1994)