Her Mother-in-Law Told Her She Wasn’t Allowed to File Taxes in 2023, Claimed Her Entire Family as Dependents That Year Without Their Knowledge, and Is Now Threatening to Call the IRS Because She Filed Her Own Kids as Dependents in 2025
She’s 23, has three children, and filed her taxes for the first time this past season, claiming her own kids as dependents. What followed was a threat from her mother-in-law to report her to the IRS for fraud. To understand why that threat lands the way it does, some background matters.
Her husband worked until 2023 when he suffered a permanent injury after being physically assaulted by his own mother, leaving him with worsening degenerative disc disease that ended his ability to work. That injury is also what eventually forced them to move out of his mother’s house. While she was pregnant and her husband was unable to work, she became the sole income earner. She took a break from late 2023 into early 2024 because their youngest daughter was dealing with severe health issues requiring multiple surgeries, and at one point they weren’t sure she would survive. They moved back in with her mother-in-law around May 2023 out of necessity.
From September 2024 through January 2026, she worked as a CNA making $20 an hour and paid 50% of every paycheck toward her mother-in-law’s household bills. Her mother-in-law is also a CNA at the same facility, earning $21.50 an hour after 25 years in the profession. Despite receiving half of her daughter-in-law’s paychecks, her mother-in-law accumulated $10,000 in back rent, which is part of why the family relocated to Georgia in January 2026. She has not paid for diapers, food, clothing, or any of the children’s expenses since at least 2020.
Her mother-in-law is now insisting those children were her dependents and that the 2025 tax filing constitutes fraud. She also has all five of their Social Security numbers written down, though not the physical cards. All five numbers have since been frozen.
What her mother-in-law actually did in 2023
The threat to report her for fraud is coming from someone who has already committed the thing she’s threatening to report. In 2023, her mother-in-law claimed her, her husband, and all three of their children as dependents on her own tax return without their knowledge or consent, despite the fact that both she and her husband were working that year and should have filed their own returns. Her mother-in-law told them they weren’t allowed to file, which was false. She has documentation showing her 2023 W-2 was hidden from her.
That’s not a gray area in tax law. Claiming adults who are employed and financially independent, and their children, as dependents without authorization and while concealing the documentation needed to file correctly is tax fraud. The person making threats about the IRS is the person who already has an unauthorized dependent claim on record.
The dependent claim she made is legally correct
A qualifying child dependent must live with the taxpayer for more than half the year, be under 19 or a full-time student, and not provide more than half their own support. Her children lived in the household where she was the financial provider. She covered all of their expenses. Her husband, who is disabled, cared for the children daily. Her mother-in-law paid for none of their needs.
The IRS uses financial support and residency as the primary tests for dependent claims, and on both counts the children are her dependents, not her mother-in-law’s. If her mother-in-law files a competing claim, the IRS will flag both returns and initiate a review. That review will ask both parties to provide documentation of who actually supported the children. She has that documentation. Her mother-in-law does not.
The frozen Social Security numbers are the right call
The fact that her mother-in-law has all five Social Security numbers written down is a serious concern that extends beyond the tax dispute. Someone with that information and a demonstrated willingness to file fraudulent tax returns using other people’s identities, which is what the 2023 return represents, is a real identity theft risk. Freezing all five numbers with the major credit bureaus and with the IRS directly through an Identity Protection PIN limits what can be done with those numbers even if her mother-in-law attempts to use them.
She should also file a complaint with the IRS about the 2023 return using Form 3949-A, which allows individuals to report suspected tax fraud. Reporting what happened in 2023 creates an official record and puts the IRS on notice about the specific Social Security numbers involved before her mother-in-law can attempt to file anything for 2025.
The threat is a scare tactic built on a position that doesn’t hold up
Her mother-in-law has no financial documentation supporting a dependent claim for children whose expenses she hasn’t covered in years, whose mother is employed and has pay stubs and receipts and records, and who live in a room she has kept separate from the rest of the house specifically because the environment is unsafe. The threat to call the IRS is designed to make her doubt a filing that she got right, from someone who got it wrong deliberately in 2023 and is hoping she doesn’t know the difference.
She’s not overreacting. She has documentation, she filed correctly, and the person threatening her is the one with an existing fraudulent return on record. Getting an appointment with a tax professional or a legal aid attorney before her mother-in-law can file anything would give her an additional layer of protection and someone in her corner who can respond formally if anything gets escalated.
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