父母刚刚去年11月拿到绿卡，请问应该怎么报税，他么国内退休金一个月几千块，存款也不多，需要一起报税吗，谢谢！
-If your parent is > 65 years old and his personal income is lower than $14,250 of 2021, he does not need to file the tax return. Also, he just became a green card holder for only one month in 2021, so I don't think he needs to file the tax return.
