A contravention of this Part shall be deemed to be an unfair method of competition or an unfair or deceptive act and practice in the conduct of the business of insurance in this State and shall be deemed to be a trade practice constituting a determined violation, as defined in section 2402(c) of the Insurance Law, except where such act or practice shall be a defined violation, as defined in section 2402(b) of the Insurance Law, and in either such case shall be a violation of section 2403 of the Insurance Law.