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.
Many medical conditions cause anemia. Common causes of anemia include the following: Anemia from active bleeding: Loss of blood through heavy menstrual bleeding or wounds can cause anemia. Gastrointestinal ulcers or cancers such as cancer of the colon may slowly ooze blood and can also cause anemia. Iron deficiency anemia: The bone marrow needs iron to make red blood cells.