Under the Road Traffic Act, which is NOT one of the ministries that jointly issue the ordinance setting the 'designation procedures and standards for children's protection zones'?

Answer: ③ Ministry of Health and Welfare

The procedures and standards for designating children's protection zones are set by a joint ordinance of the Ministry of Education, the Ministry of the Interior and Safety and the Ministry of Land, Infrastructure and Transport. The Ministry of Health and Welfare is not included. [Road Traffic Act, Art. 12(2)]