You can’t claim someone else’s qualifying child as your qualifying relative. So if your toddler lives with your parents, for example, and he meets all the tests to be their qualifying child, you can’t also claim him as your qualifying relative.

You can only claim dependents who are either a qualifying child or a qualifying relative. DO claim all qualifying children that were born or adopted within the tax year. Even if your child was born on December 31, your child may be able to be claimed as a dependent on your taxes.

Can You claim your sister’s child on your taxes?

Even if your sister would be willing to give you permission to claim her child because it would save you more on your taxes, you’re prohibited because of IRS rules. Assuming no one else can claim your sister’s child as a qualifying child, you can claim him or her if you meet the remaining criteria.

Can a sibling claim their child as a dependent?

As the parent, your sister will have the stronger claim to her child’s dependency exemption, but she doesn’t have to claim to the child. You can claim her child if your adjusted gross income (AGI) is higher than your sister’s AGI, and she doesn’t claim him.

Can You claim a child on a joint tax return?

However, you can’t claim her if she files a joint tax return, unless the return is only filed to claim a refund. You’ll need to know the dependent’s Social Security number and full legal name to claim the child as a dependent. You can apply for a Social Security number for the child at the hospital when she’s born or by completing Form SS-5.

Can a sister file a joint tax return?

If you file a joint return, your spouse also can’t be claimed as someone else’s dependent. Second, your sister’s child can’t be married and filing a joint return unless the return is filed only to reclaim taxes withheld.