sentences:  Wrong identification of beneficiaries and political issues present a challenge to the system which is preventing people in need from receiving the subsidies and benefits designed for them.The National Health Superintendent (Superintendencia de Salud) defines which organizations may qualify as EPS according to a number or requirements, including infrastructure, capital, number of users, functionality and covering.The function of the EPS is to sell health service packages to the public, and contract such services with the healthcare-providing institution.