Key Employees are relavant to qualified plans for two distinct purposes: Family Attribution determination and nondiscrimination testing. Although not relevant to the topic of this page 26 USC Â§ 1563(e) also provides a definition for Highly Compensated Employees (HCE) and Substantial-Owners.
Then your body has less hemoglobin, and you cannot get enough oxygen. Iron deficiency is the most common cause of anemia. Iron deficiency anemia is caused by low levels of iron in the body. You might have low iron levels because you: 1  Have heavy menstrual bleeding.2  Are not getting enough iron in food.hen your body has less hemoglobin, and you cannot get enough oxygen. Iron deficiency is the most common cause of anemia. Iron deficiency anemia is caused by low levels of iron in the body. You might have low iron levels because you: 1  Have heavy menstrual bleeding.
Iron deficiency anaemia occurs when the body does not have enough iron, leading to the decreased production of red blood cells. Red blood cells carry oxygen around the body. A lack of iron can be caused by several factors. Some of the most common causes of iron deficiency anaemia are outlined below.ther conditions or actions that cause blood loss and may lead to iron deficiency anaemia include: 1  inflammatory bowel disease â a condition that causes inflammation (redness and swelling) in the digestive system, such as Crohnâs disease and ulcerative colitis.