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The personal property taxes were paid in September 2015 for year 2015.
No, you cannot claim property taxes paid in 2015 on your 2016 tax return.
To claim these property taxes for 2015, you'll need to amend your 2015 return.
Please read this TurboTax FAQ on how to amend your return:
https://ttlc.intuit.com/replies/3288565
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