Summit Racing SUM-G2339 - Summit RacingÂ® Molded Gasket Windage Trays Compare Windage Tray, Molded Gasket, Louvered, Nylon, Black, 3.750 in. Maximum Stroke, Chrysler, Big Block, Each
You figure self-employment tax (SE tax) yourself using Schedule SE (Form 1040). Social Security and Medicare taxes of most wage earners are figured by their employers. Also you can deduct the employer-equivalent portion of your SE tax in figuring your adjusted gross income.
The time periods for signing up for Part B are significantly more restrictive (have to be 1/1 or 7/1) if you are not in one of these special circumstances (i.e. losing employer coverage). To sign up for Part B: 1  One option is to go to a local Social Security office. 2  Another option is to sign up online at the Social Security website: http://www.socialsecurity.gov/medicareonly/. 3  Lastly, you can call Social Security at 800.772.1213.