U.S. citizens are not subject to the proclamations. All proclamations provide exceptions to the restrictions for lawful permanent residents of the United States. Some exceptions include, but are not limited to: foreign diplomats traveling to the United States on A or G visas and certain family members of U.S. citizens or lawful permanent residents including; spouses, children (under the age of 21), parents (provided that his/her U.S. citizen or lawful permanent resident child is unmarried and under the age of 21), and siblings (provided that both the sibling and the U.S. citizen or lawful permanent resident are unmarried and under the age of 21). There is also an exception for air and sea crew traveling to the United States on C, D or C1/D visas. For the full list of exceptions please refer to the proclamations.
看原文,绿卡的配偶或者未成年子女完全豁免,如果是父母的话,绿卡持有者需小于21岁且没有结婚。
按照原文理解的话,如果你的儿女是公民的话,完全没有问题
如果你的儿女是绿卡的话,他或者她必须是小于21岁未婚的,这样你可以满足豁免条件
U.S. citizens are not subject to the proclamations. All proclamations provide exceptions to the restrictions for lawful permanent residents of the United States. Some exceptions include, but are not limited to: foreign diplomats traveling to the United States on A or G visas and certain family members of U.S. citizens or lawful permanent residents including; spouses, children (under the age of 21), parents (provided that his/her U.S. citizen or lawful permanent resident child is unmarried and under the age of 21), and siblings (provided that both the sibling and the U.S. citizen or lawful permanent resident are unmarried and under the age of 21). There is also an exception for air and sea crew traveling to the United States on C, D or C1/D visas. For the full list of exceptions please refer to the proclamations.