part-ex

So I got the idea in my head that my lovely 1.8 EX just wasn't a Type R and that in order to carry on living I needed to fix this. With my car-lust firmly behind the wheel in my brain my first port of call has been to drop an email to the main dealership where I have been getting my services...

I don't know the answer to this, maybe someone does... Say you have a new car on order and you are given a delivery time of October. You agree a part-ex value - this appears on the signed invoice. However, the car you are buying then gets delayed to January. Does the part-ex value stand, or...