What is the code in box 7 of the 2017 Form 1099-R that you received from the payer?
What is the first year for which your mother made a Roth IRA contribution?
Did you report the distribution on your 2017 tax return, resulting in the gross distribution amount in box 1 of the Form 1099-R being included on Form 1040 line 15a (of Form 1040A line 11a)?
