I have raytech tint installed. The road tax is in place as the pic, but problem is over time the paper part of the road tax warps and peels away fr the window. Anyone experienced this and found a solution?

Thanks guy..Will give it a go
Try to reapply the road-tax onto the windscreen at night and let it 'bond' overnight, rather than during daytime especially with our scotching weather which might cause it to wrinkle.
The thing is none of us want to stick it to the windscreen. We want it to stick to the roadtax sticker so it doesn't leave a horrible stain the next time you want to remove it.
Yes what I mean is sticking it into road tax sticker, but it will also wrinkle due to the heat from the sun. I just experienced it recently so I reapply at night and let it stick overnight then okay already.
i have seen some lazy fellas just tape it there @x@
Actually you can laminate it or restick it back with a piece of small piece of tint (ask tint shop to do for you)..
Me always do that..
Sticky tape will leave glue on the tint.....
Due to the damaging sun light, even sticky tapes I used becoming brittle, or becoming powdery when trying to remove from the windscreen.
Crazy weather we have here!
i use roadtax sticker....
stick the roadtax on the sticker...
than tape behind the roadtax all around of the roadtax edge...so it wouldnt wrinkle around peeling itself from the windscreen