Lines 1a through 1d of Form 2439 show your total undistributed long-term capital gains, along with any portion of the total that is 28% rate gain, unrecaptured section 1250 gain, or section 1202 gain. Enter these amounts in the Undistributed Capital Gains (Form 2439) topic of the Interview (or directly on Form 2439 if you are using the Forms method).
Line 2 of Form 2439 shows the tax paid by the mutual fund. Enter this amount in the Taxes Paid by Mutual Fund (Form 2439) topic of the Interview (or directly on Form 2439 if you are using the Forms method).