Waiting years for a family-sponsored green card can be stressful, especially when your child is approaching their 21st birthday. Under U.S. immigration law, a child generally loses eligibility as a dependent once they turn 21. However, the Child Status Protection Act (CSPA) may preserve eligibility by calculating a child's immigration age differently from their biological age. While CSPA has protected thousands of families, it is not automatic. Eligibility depends on several