(g) (1) Before issuing a finding of reasonable cause or no reasonable cause, the investigator shall afford each party and each party's representative an opportunity to provide written or oral comments on all evidence in the commission's file, except as otherwise provided by federal law or the general statutes. The investigator shall consider such comments before making a finding. The investigator shall make a finding of reasonable cause or no reasonable cause in writing and shall list the factual findings on which it is based not later than one hundred ninety days from the date of the case assessment review, except that for good cause shown, the executive director or the executive director's designee may grant no more than two extensions of the investigation of three months each.