Countries and regions that require embassy and consulate authentication (dual authentication) are mainly concentrated in South America, the Middle East, Africa and other countries and regions, and some other European and American countries are also joining this ranks. Mainly include Argentina, Egypt, Mexico, Saudi Arabia, United Arab Emirates, Oman, Brazil, Kuwait, Peru, Iran, India, Russia, Qatar, Bolivia, Greece, Poland, Colombia, Iraq, Thailand, Philippines, Ecuador, Jordan, Libya, Turkey, Denmark, Spain, Pakistan, Myanmar, Chile, Venezuela, Syria, etc.