W-2 form 12a July 8, 2019 16 32 64 128 W 2 form 12a dd W 2 form 12a code d W 2 form box 12a code dd W 2 form box 12a code c W 2 form box 12a and 12b W 2 form box 12a dd W-2 form box 12 W-2 form