Does the IRS ask for proof of marriage?
If your marital status changed during the last tax year, you may wonder if you need to pull out your marriage certificate to prove you got married. The answer to that is no. The IRS uses information from the Social Security Administration to verify taxpayer information.
What is considered unmarried by the IRS?
Generally, taxpayers are considered to be unmarried for the entire year if, on the last day of the tax year, they were: Unmarried. Legally separated from their spouse under a divorce or separate maintenance decree.
What kind of proof does the IRS need for dependents?
The most direct way to prove the child is yours to claim is with her birth certificate. The birth certificate enables you to both prove parentage and apply for other legal proofs, such as a Social Security number, and register her for school.