ACT public servants will soon be gagged from criticising the government and legally compelled to dob in colleagues they find doing the same.

New laws governing the territory's public sector workers are now before the ACT parliament, which would restrict how bureaucrats can behave outside office hours.

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Workers would face misconduct proceedings and potential dismissal if they said or did anything "outside of the performance of official functions" that damaged the reputation of the public sector or ACT executive.

Public servants would also be legally compelled to dob in a colleague, should they become aware he or she is harming the government's reputation.