PART IV – ARREST AND SURRENDER OF PERSONS
17. Rights of persons during an enquiry
In respect of an enquiry under this Part, every person shall –
(c) if questioned in a language other than a language he fully understands and speaks, have, free of any cost, the assistance of a competent interpreter and such translations as are necessary to meet the requirements of fairness
Language
Rights during investigation - access to interpreter and translation if questioned in other language
EDIT.