All of the following tests must be met to claim a dependency exemption under the rules for a qualifying child.
Dependent Taxpayer Test — Qualifying Child
If you could be claimed as a dependent by another person, you cannot claim anyone else as a dependent. Even if you have a qualifying child or a qualifying relative, you cannot claim that person as a dependent.
Joint Return Test — Qualifying Child
To meet this test, the child must be:
- Unmarried,
- Married but does not file a joint return, or
- Married and files a joint return only to claim a refund of withheld tax, neither the dependent nor spouse can claim personal exemption on their joint return
Citizen or Resident Test — Qualifying Child
To meet this test, the child must be:
- A U.S. citizen or resident or
- A resident of Canada or Mexico
Relationship Test — Qualifying Child
To meet this test, the child must be:
- Your son, daughter, stepchild, eligible foster child, adopted child, or a descendant (for example, your grandchild) of any of them, or
- Your brother, sister, half brother, half sister, stepbrother, stepsister, or a descendant (for example, your niece or nephew) of any of them.
Age Test — Qualifying Child
To meet this test, the child must be:
- Under age 19 at the end of the year
- A full-time student under age 24 at the end of the year, or
- Permanently and totally disabled at any time during the year, regardless of age.