Artículo 17. IAS 21 Paragraph 17

In preparing financial statements, each entity—whether a stand‑alone entity, an entity with foreign operations (such as a parent) or a foreign operation (such as a subsidiary or branch)—determines its functional currency in accordance with paragraphs 9⁠–⁠14 . The entity translates foreign currency items into its functional currency and reports the effects of such translation in accordance with paragraphs 20⁠–⁠37 and 50 . E2 [ Refer: IFRS 1 paragraph 7 ]