However, because a corporation is not a real, or natural, person, someone must sign on the corporation's behalf. A stockholder does not have the automatic right to sign a corporation's contracts. The corporation must legally authorize the stockholder to sign on its behalf.
A miscarriage can be a common cause of brown to black vaginal bleeding. Not all the women realize that they are pregnant until there is an abnormally heavy bleed particularly consisting of large clots or the color varying from the normal period blood.
Melanoma (skin cancer) An important cause of black spot on the skin is melanoma, the most dangerous type of skin cancer.It is caused by abnormal changes in the melanocytes, or cells which produce the skin pigment called melanin.