2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
Standards referenced in this section are normative in such a way that parts or the whole standard shall be applied when implementing the referenced functionality. Standards referenced in this section shall be cited normatively in the text.