9. Why does an employer have to send you a W2 form in order for you to file your taxes? OA. Because the form lists the amount of income that you received from that employer, so the IRS can verify your income. OB. Because the form has your Social Security number on it, and the IRS doesn't know what your Social Security number is without it. O C. Due to the number of people filing their taxes, it is easier for the IRS to make the employers send a form. OD. Because the IRS needs to earn money by charging your employer a fee for every form they send out.