Cyberpirates, The Sixth World Almanacs and the unpublished chapter of Shadows of Latin America are great resources, but not finding what I'mm looking for. I was looking at using one of the French Islands (Saint Barth. Martinique, Guadeloupe or Saint Martin) for a background and I was sure I saw date of entry somewhere. Guess I dreamt it.
Hard Targets, page 137 (Life Modules, Nationality, Caribbean League):
The Caribbean League is a loose confederation consisting of the following island nations: Andros, Anguilla, Antigua and Barbuda, Aruba, Bonaire, Cayman Islands, Cuba, Culebra, Curaçao, Dominican Republic Territories, Eleuthera, Grand Bahama Island, Great Abaco, Grenada, Guadeloupe, Haiti, Jamaica, Martinique, Montserrat, New Province, Saba, South Florida, St. Barts, St. Croix, St. Eustatius, St. John, St. Kitts and Nevis, St. Lucia, St. Maarten, St. Thomas, St. Vincent and the Grenadine, Tortola, Trinidad and Tobago, Turks and Caicos, Vieques, Virgin Gorda.