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Don't know when you last did a descent to get VMC below but Dagowly is pretty much spot on, the only minor errors if you can call it that, is if when a DS ac arrives at the TSL, you should request the aircrafts intentions and only apply TS (& approve further descent) if the pilot request TS, not automatically impose TS. He would then be given "taking your own terrain clearance descent approved".
Also the 1000 feet above would not use the surface as datum but the highest obstacle.
So not totally wrong but a pretty clear way of explaining I thought.
Moli