Did you get a W2 or 1099NEC? If you got a W2 there should be Social Security and Medicare in boxes 3-6. Box 12 is for something else. If box 12 doesn't have an amount leave it blank. Do not enter zero.
no about withholding taxes. this was regarding trump mid year. we opted out. i work for a small business and the owner indicated we were not going to do that which we all agreed