Constitution of Belize
PART II – Protection of Fundamental Rights and Freedoms
5 (2) Any person who is arrested or detained shall be entitled
(a) to be informed promptly, and in any case no later than twenty-four hours after such arrest or detention, in a language he understands, of the reasons for his arrest or detention;
Language
Rights during investigation - access to interpreter and translation if questioned in other language
Rights during investigation - informed of belief that crime has been committed
EDIT.