Definition: The obligation of obedience owed by a subject to the sovereign authority of the state in return for the protection of the sovereign. Breech of allegiance is the basis of treason. Traditionally there are four types of allegiance: acquired, legal, local and natural.
In some Australian jurisdictions, an oath or affirmation of allegiance is required before exercising important public offices.
The term has been replaced by 'commitment' in Australian citizenship law.
Natural Allegiance An obligation of faithfulness, loyalty, and obedience to a State and to its Government which is intrinsic, spontaneous, and perpetual in nature. Natural allegiance is considered a debt of gratitude to the sovereign and cannot be forfeited, cancelled, or altered by change of time, place, or from every human being born within British Dominions under the common law. The allegiance is natural in the sense that it emanates from and is determined by physical causes or conditions attributable to the nature and morality of human beings, rather than legal considerations and sanctions. See also Allegiance; Law of nature.
FOI16 162 - decision letter
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