42 CFR 441.180 : Public Health (Part 1 To Parts 1009-1099) — (§ 430.0 To Part 481) — Centers For Medicare & Medicaid Services, Department Of Health And Human Services (Continued) (§ 430.0 To Part 481) — Medical Assistance Programs (§ 430.0 To § 456.725) — Services: Requirements And Limits Applicable To Specific Services (§ 441.1 To § 441.745) — Inpatient Psychiatric Services For Individuals Under Age 21 In Psychiatric Facilities Or Programs (§ 441.150 To § 441.182) — Maintenance of effort: General rule.