a citizen of Andorra, Argentina, Austria, Belgium, Brunei, Bulgaria,
Canada, Chile, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Federated States of Micronesia, Fiji, Finland, France, Germany,
Greece, Hungary, Iceland, Indonesia, Ireland, Italy, Japan, Kiribati,
Latvia, Liechtenstein, Lithuania, Luxembourg, Malaysia, Malta,
Marshall Islands, Mexico, Monaco, Nauru, Netherlands, New Zealand,
Norway, Oman, Palau, Papua New Guinea, Philippines, Poland, Portugal,
Qatar, Romania, Samoa, San Marino, Singapore, Slovakia, Slovenia,
Solomon Islands, South Africa, South Korea, Spain, Sweden,
Switzerland, Thailand, Tonga, Tuvalu, United Arab Emirates, United
Kingdom (including its colonies), United States of America, Uruguay,
Vanuatu and Vatican
I assume that the latter clause is for government officials .. but that is my assumption.