4.3 reference dimensions are indicated by the sign "*", and in the technical requirements write: "* Dimensions for reference". If all dimensions are reference, do not mark the asterisk "*", and in the technical requirements write:"dimensions for reference".
In Russian localization for Creo Parametric all references dimension display text "ПРИВЯЗКА" instead "REF" in English version. So, no need extra effort and change a logic of a software to meet russian standards. Need to change localization text "ПРИВЯЗКА" to "*".