Clear they are, in EU-OPS which no longer is the applicable regulation. Somewhat more cloudy in EASA-IR, for those who insist on what favours them. Clear enough if you dare to think before taking conclusions.
There is one thing laid out in the ICAO doc, and believe it or mot the rules worldwide are quite harninized. The Oz rulebook is a demonstration how the same thing could be written in a different format.
Nothing has changed for decades. Why would there be the requirement to have any TDZ RVR if it can be always replaced?