It is hugely common practice to only switch on the landing lights when cleared for t/o. It gives a very clear indication that you are about to, or shortly will, commit. Ditto on landing.
afaik it isn't an ICAO requirement, but it is mentioned in ICAO Doc 9870/AN 463 (2006), according to this source
http://www.ibac.org/Files/Safety/pre...incursions.pdf see para 6.3.11