Health Services Act 1991. Country/Territory Tonga Document type Legislation Date 1991 (2005) Source FAO, FAOLEX Long titleAn Act to provide for a comprehensive health service for Tonga. Subject Food & nutrition, Water, Waste & hazardous substances Keyword Hygiene/sanitary procedures Inspection Institution Pollution control Waste disposal Water supply Potable water Geographical area Oceania, Small Island Developing States Abstract This Act makes provision for a comprehensive health service in Tonga, defines the functions of the Minister of Health and the Director of Health, establishes a Ministry of Health and requires the Minister to establish a National Health Development Committee. Full text English Website legislation.to