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State Inheritance Tax, and Federal or State Estate Tax, are not a part of the Income Tax system.
TurboTax only supports Income Tax filings.
Inheritance Taxes and Estate Taxes are not allowable deductions, in general, on Income Tax filing
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The ONLY STATES with INHERITANCE TAX on bequests to beneficiaries are:
All six states exempt spouses, and depending on state, exemption varies for immediate relatives.
Unfortunately, no, these payments are not deductible.
They are an exemption to the deduction for state and local taxes.
For more information, follow this link: https://turbotax.intuit.com/tax-tips/estates/what-are-inheritance-taxes/L93IUc3sC
[Edit 2/2/4/2019 9:45 PST]