In general, a taxpayer may claim a personal exemption deduction for himself or herself, for his or her spouse provided a joint return is filed, and for any dependents. Dependents are defined as qualifying children and qualifying relatives. The rules on claiming dependency exemptions apply to the taxpayer's qualifying children and to certain other individuals as well, provided they share the same principal abode as the taxpayer for more than one-half the year. A dependency exemption is not available for any child who provides more than one-half his or her own support. In addition, a taxpayer cannot claim a dependency exemption for any dependent unless the taxpayer provides a correct taxpayer identification number for that dependent.
A taxpayer can claim a dependency exemption for a qualifying child. A qualifying child is defined as a person related to the taxpayer (not only the taxpayer's child), who has the same principal abode as the taxpayer for more than one-half of the tax year, who is under age 19, or age 24 and a full-time student, and who has not provided over one-half of his or her own support for the calendar year in which the taxpayer's tax year begins. An individual who is permanently and totally disabled at any time during the calendar year is considered to satisfy the age requirements. The qualifying child must also be a U.S. citizen or resident of Canada or Mexico and not have filed a joint return with the child’s spouse for the year.
A person is related to the taxpayer if the individual is a child or a descendent of a child, or a brother, sister, step-brother
or step-sister of the taxpayer or a descendant of such a relative. A child is an individual who is a son, daughter, step-son,
or step-daughter of the taxpayer.
Eligible foster children and adopted children who are legally placed with the taxpayer by an authorized placement agency are
also included within the definition of a qualifying child. With regard to adopted children, the agency must be authorized by
a government or governmental subdivision to place children for adoption.
The qualifying individual must either be under age 19 or, if a full-time student, age 24. A student is any child who, during any five months of the year:
An educational institution is one with a regular faculty, regular body of students, and an established curriculum. Educational institutions include primary and secondary schools, colleges, universities, and normal, technical, and mechanical schools, but do not include correspondence schools, employee training courses, or on-the-job training, except on-farm training.
If an individual is claimed as a qualifying child by two or more taxpayers for a tax year beginning in the same calendar year,
there are tie-breaker rules that determine which taxpayer is entitled to claim the dependency exemption.
If both of the taxpayers claiming an individual as a qualifying child are the child's parents, (e.g., when the parents do not
file a joint return), the child is deemed to be the qualifying child of the parent with whom the child resided for the longest
period of time during the tax year. If the child resides with both parents for the same amount of time during the year, the
parent with the highest adjusted gross income is entitled to claim the dependency exemption with respect to the child.
A taxpayer may claim a qualifying relative (an individual other than a spouse or qualifying child) as a dependent only if each of the following tests and specifications are met:
A taxpayer must provide more than one-half of the support of a qualifying relative who is claimed as a dependent for the calendar year in which the taxpayer’s taxable year begins.
An individual (other than a qualifying child) satisfies the relationship test if the individual either has one of the specified relationships with the taxpayer or has the same principal place of abode as the taxpayer and is a member of the taxpayer's household.
Once a relationship is established, death or divorce does not terminate it. Thus, for example, the relationship of a son-in-law and
mother-in-law survives the spouse's death or a divorce.
An individual must be a U.S. citizen or resident to be claimed as a dependent. A person who is not a U.S. citizen can be claimed as a dependent if she is a U.S. national (e.g., an American Samoan) or a resident of the United States, Canada, or Mexico at some time during the calendar year in which the taxpayer’s taxable year begins.
Generally, a taxpayer cannot take a dependency exemption for an individual if that person had gross income equal to, or greater than, the exemption amount for the year ($3,500 in 2008). This test does not apply if the person is the taxpayer’s child and is either under age 19, or a student under age 24. A child attains a given age on the anniversary of the date that the child was born.
A taxpayer cannot claim a dependency exemption for a married individual who files a joint return for a tax year beginning in the same calendar year in which the taxpayer’s taxable year begins. The exemption may be claimed, however, if neither the married dependent nor his spouse is required to file a return, even if they do file to claim a refund of tax withheld.
To be a qualifying relative, the individual cannot be a qualifying child of the taxpayer or of any other taxpayer.