BOX 12 I HAVE 2 CODES. WHAT ONE DO I USE

You'll need to enter both codes. It is common to have multiple Box 12 codes, which are represented by upper-case letters. After you enter the first Box 12 code and amount, click Add another row to enter the second Box 12 code and amount. (Click the screenshot below for reference.) The FAQ below provides detailed instructions for entering your W-2 Box 12 information in TurboTax.