The department shall promulgate rules that require a person who is eligible for benefits under s. 49.68, 49.683, or 49.685 and whose estimated total family income for the current year is at or above 200 percent of the poverty line to obligate or expend specified portions of the income for medical care for treatment of kidney disease, cystic fibrosis, or hemophilia before receiving benefits under s. 49.68, 49.683, or 49.685. The rules shall require a person to pay 0.50 percent of his or her total family income for the cost of medical treatment covered under s. 49.68, 49.683, or 49.685 if that income is from 200 percent to 250 percent of the federal poverty line, 0.75 percent if that income is more than 250 percent but not more than 275 percent of the federal poverty line, 1 percent if that income is more than 275 percent but not more than 300 percent of the federal poverty line, 1.25 percent if that income is more than 300 percent but not more than 325 percent of the federal poverty line, 2 percent if that income is more than 325 percent but not more than 350 percent of the federal poverty line, 2.75 percent if that income is more than 350 percent but not more than 375 percent of the federal poverty line, 3.5 percent if that income is more than 375 percent but not more than 400 percent of the federal poverty line, and 4.5 percent if that income is more than 400 percent of the federal poverty line.