To provide for the regulation and monitoring of the use of official languages by national government for government purposes; to require the adoption of a language policy by a national department, national public entity and national public enterprise; to provide for the establishment and functions of a National Language Unit; to provide for the establishment and functions of language units by a national department, national public entity and national public enterprise; to provide for monitoring of and reporting on use of official languages by national government; to facilitate intergovernmental coordination of language units; and to provide for matters connected therewith.