Deductions & credits

BUT...it sounds as if you cannot take the entire amount as a donation.......you should read the following links.

.....TTX does not determine the ( lower ) $$ amount that you would enter into the software as your donation amount.  That amount has to come from the OSU Administrators of the annuity:

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https://ttlc.intuit.com/community/tax-credits-deductions/discussion/where-do-you-report-a-charitable...

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https://ttlc.intuit.com/community/tax-credits-deductions/discussion/gift-annuity-deductions/00/10066...

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and a Kiplinger article:

https://www.kiplinger.com/article/investing/t064-c000-s002-what-you-must-know-about-charitable-gift-...