LCAO letter, signed by 30 member organizations, encouraging the Department of Health and Human Services to fully carry out the final rule implementing Section 1557 of the Affordable Care Act (ACA), and expressing opposition to any effort to reopen it or roll back its patient and consumer protections. Section 1557 and its rule are critically important to protecting older Americans not only from age discrimination but also from discrimination based on race, color, national origin, limited English proficiency, disability, or sex, including discrimination on the basis of gender identity or sex stereotypes.