trees4life, be careful what you believe! To sell PPE in the EU, you must produce User Instructions in the language of each country that you sell to (Polish, Swedish, Spanish, Greek, English, German etc. and yes, even French).
Given that UK harnesses have been delivered, and that we almost share the same language across the Atlantic, I see no reason why the User Instruction would not have been included.
The 'suspenders' on treeMOTION have no fall arrest function. treeMOTION is a work positioning harness. If you want a dorsal attchment for fall arrest, I suggest you try the new Petzl Navaho BOD Fast where the chest ascender has been 'beefed up' to form part of the EN361 fall arrest system. I have one, and it's a fine harness for ascent and fall arrest, but don't try to work position in it if you want comfort and value your nuts.
Chris