Question: what is a qualifying child for the earned income credit?
Answer: To be your qualifying child, a child must be your: Son, daughter, adopted child1, stepchild, eligible foster child2, or a descendant of any of them (for example, your grandchild), or. Brother, sister, half brother, half sister, stepbrother, stepsister, or a descendant of any of them (for example, your niece or nephew).