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.
Causes of Black blood during period. Black blood is not a very serious problem or disease and can be taken lightly. But if it is accompanied by severe pain, cramping or the span of menstrual cycle is extended to more number of days than usual, it may indicate the onset of something serious.