Internal Security (Detained Persons) Rules/Regulation 40Singapore legislationRegulation 40of Internal Security (Detained Persons) RulesRegulation 40Copy linkCopiedCopy textCopiedRepealed / deleted[Deleted by S 617/2023 wef 08/09/2023]←PreviousRegulation 39 · Unauthorised communicationsNextRegulation 41→Read in full context — Internal Security (Detained Persons) Rules →