If you have more
than one entry in Box 12, enter the information for the first line (Box 12a),
then click "Add another row" (see attached image "AddAnotherRowBox12") and enter the
next line of information for Box 12. Continue adding rows until you have
recorded all of your Box 12 entries.
You can see
information about the codes for box 12 of Form W-2 in the article below. Press "See entire answer" to view all of the help screen.
https://ttlc.intuit.com/replies/3300234
Attached image is directly below
