We have income from an incidental death benefit from a Section 501(a) qualified pension plan from my father -in-law. where do we enter that?

[dmertz]

An incidental death benefit would generally be reported on a code 4 Form 1099-R that you would receive near the end of January and you'll enter that form into TurboTax under Wages & Income -> Retirement Plans and Social Security -> IRA, 401(k), Pension Plan Withdrawals (1099-R).