In GvHD, the donated bone marrow or peripheral blood stem cells view the recipientâs body as foreign, and the donated cells/bone marrow attack the body. There are two forms of GvHD: 1  Acute graft versus host disease (aGvHD).
Self-employment tax is a tax consisting of Social Security and Medicare taxes primarily for individuals who work for themselves. It is similar to the Social Security and Medicare taxes withheld from the pay of most wage earners. 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.
Self-Employment Tax. Self-Employment (SE) Tax makes up for not having an employer to withhold Social Security and Medicare from your paycheck. Any year your net earnings -- your independent-contractor income, less your business expenses -- top $400, you have to pay SE Tax, which is 13.3 percent as of 2012.That requires filing Schedule SE and Schedule C for your business income as well as a 1040.ny year your net earnings -- your independent-contractor income, less your business expenses -- top $400, you have to pay SE Tax, which is 13.3 percent as of 2012.