원고 3은 2009. 3. 20. 보험약관 미수령 및 중요내용 미설명을 이유로 피고의 ◁◁지점을 방문하여 품질보증 이의신청서를 제출하였다.
On March 20, 2009, Plaintiff 3 visited the Defendant's ◁◁ branch office on the ground that the insurance policy terms were not received and the important contents were not explained, and submitted a complaint regarding quality assurance.