Retirement tax questions

On the 1099-R entry form, there are actually two areas in box 7 for codes. 

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There are two boxes to enter codes.  Select 1 from the drop-down list in the first box and select B from the drop-down list in the second box.  [See Screenshot #1, below.]

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Click the box I have more than one value in Box 7 and a second Box 7 will appear. Select 1 from the drop-down list in the first box and select B from the drop-down list in the second box. [Screenshot #2]

Screenshot #1

Screenshot #2