There were many constitutional petitions and administrative lawsuits and applications for suspension of execution regarding the implementation of the quarantine pass, and the Seoul Administrative Court released its decision on four applications for the suspension of enforcement around January 2022, amidst the controversy over the quarantine pass.118) It received much attention for the decisions were both to recognize and dismissed to suspend execution depending on the subject and purpose of the request for suspension of execution and the judgment of the court.119)120) Meanwhile, the results of the public opinion poll on the introduction of the quarantine pass showed a wide range of fluctuations depending on the spread of COVID-19, the subjected industry, social events, and investigation agencies, and in general, opinions in support of the quarantine pass were greater than those for abolition.121) After much controversy and lawsuits, the government repeatedly delayed the implementation of the quarantine pass for adolescents, but from March, the quarantine pass, including adults, was completely suspended. The CDSCHQ announced that it had considered regional confusion following the court ruling and raising issues from the political world and the media.122) B) Controversy Over the Quarantine Pass Immediately after the first outbreak of COVID-19 in 2019, countries took measures to block the borders, and it became common to require vaccination confirmation or PCR negative confirmation for cross-border movements. However, the key reasons for these measures to become a problem when they were introduced under the name of a quarantine pass is that the targets were expanded to teenagers, and the targeted facilities included 118) Seoul Administrative Court, Decided on Jan. 4, 2022, 2021Ah13365, Seoul Administrative Court, Decided on Jan. 14, 2022, 2021Ah13539, Seoul Administrative Court, Decided on Jan. 14, 2022, 2022Ah10052, Seoul Administrative Court, Decided on Jan. 18, 2022, 2022Ah10088 119) The court suspended the execution of quarantine passes for academies, study rooms and study cafes implemented by the Minister of Health and Welfare, quarantine passes for shops, markets, and department stores implemented by the mayor of Seoul, and quarantine passes for teenagers aged 12 to 18 implemented by the mayor of Seoul. On the other hand, the court rejected the application for suspension of quarantine passes for large stores of 3,000 m2 or larger. 120) SBS, Comparing the Court’s Decision on Quarantine Pass – Reason for Different Decisions?, Jan. 17, 2022. 121) Korea Research, Inside public opinion, [COVID-19] Public opinion on quarantine pass and vaccination of minors, Jan. 5, 2022. 122) Korea Policy Briefing, No more ‘QR Check-in’… All quarantine pass temporarily suspended from March, Feb. 28, 2022. 47