; (B) demonstrates competency to implement a project, provide fiscal accountability, collect data, and prepare reports and other necessary documentation; and (C) demonstrates a willingness to share information with researchers, practitioners, and other interested parties. (7) Federal poverty line The term Federal poverty line means the Federal poverty line as defined by the Office of Management and Budget and revised annually in accordance with section 673(2) of the Omnibus Budget Reconciliation Act of 1981 ( 42 U.S.C. 9902(2) ) applicable to a family of the size involved. (8) Low-income The term low-income , with respect to a family, means a family whose self-certified income is not more than 200 percent of the Federal poverty line. (9) Medically complex child The term medically complex child means an individual who has attained 3 years of age and for whom a licensed health care provider has provided a diagnosis of 1 or more significant chronic conditions. (10) Medically necessary diaper The term medically necessary diaper means an absorbent garment that is— (A) washable or disposable; (B) worn by a medically complex child who has been diagnosed with bowel or bladder incontinence, a bowel or bladder condition that causes excess urine or stool (such as short gut syndrome or diabetes insipidus), or a severe skin condition that causes skin erosions (such as epidermolysis bullosa) and needs such garment to correct or ameliorate such condition; and (C) if disposable— (i) does not use any latex or common allergens