sorry Penguin I can not be convinced about the French ruling that you have mentioned regarding CP tyres - though i wouldnt want to argue with a Gendarme over the issue
If you read my post again, you will quickly discover that your level of being convinced is not in consideration of my opinion but comes from the Technical Dept. of Dunlop and Goodyear tyres...........
Such a thought process from the average Gendarme would not surprise me since Napoleonic Law gives permission to DO something, unlike UK Law which stops you doing it......
If the Gendarmes wanted to be awkward or felt that the person they were talking to was being argumentative or stroppy then such a course of action would come as little surprise. And it's that point about how you would hold a discussion with a Gendarme if needed that is the crucial point.
if a vehicle is legal in it's country of registration then it is legally allowed to be used in other members of the EU (while we remain a member) without necessarily fulfiling all of the requirements for that country, so a UK registered MH is unlikely to be pulled up and it is VERY unlikely that you would be expected to have such a discussion with a Gendarme.
We however, are registered in France on our MH, not the UK so we have to comply with the French interpretation of the EU Laws and if our CT station points out that we are not allowed to have van tyres or tyres of different manufacturers on the same axle, I am not in a position to argue and would not want to.
Arguing is unlikely to achieve a good outcome, so why try? Simply comply with using tyres marked CP, as our MH was orginally supplied with. I do agree that the situation as regards 10 ply tyres seems odd to say the least, maybe there is something else that dictates that outcome, or maybe the main manufacturers have simply not requested a CP rating.
I can confirm that Michelin Agilis CP marked are readily available in France, for our MH (215/75 R16 Q) they are around 143€ if two are bought at the same time - such a pricing arragement is simply to increase the likelihood of both wheels on one axle having identical tyres, the individual price is around 160€.
I have a choice of stockists locally and can have them delivered from the internet by the following day to a garage of our choice, or they will fit them at home, fitting is extra and avaerages around 16€ per tyre incluing balancing.
I am not sure how that price compares with UK prices, perhaps someone can advise us.......