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.
But, if you are self-employed, it's up to you to accurately determine what you have to pay in self-employment taxes. Self-Employment tax obligations in Sacramento, California. If you are an independent contractor, or run a sole proprietorship (a company which you own, and which is not incorporated as a separate legal entity), you must pay the so-called self-employment tax if your income from self-employment is larger than $400 per year.