(a) The qualifications and supervision of licensed and nonlicensed personnel;
(b) The provision and coordination of inpatient care and in-home treatment services, including the development of a written plan of care;
(c) The management, operation, staffing and equipping of the hospice program;
(d) The clinical and business records kept by the hospice;
(e) The procedures for the review of utilization and quality of patient care; and
(f) Such other requirements as the Secretary determines to be appropriate.