I'm guessing that it's to prove it was your PPR so as not to be liable for CGT? You let your solicitor know and sign accordingly.
You only have to furnish proof if investigated later.
AFIK
I'm guessing that it's to prove it was your PPR so as not to be liable for Stamp Duty? You let your solicitor know and sign accordingly.
You only have to furnish proof if investigated later.
AFIK
Presume you mean Capital Gains Tax, not Stamp Duty. Capital gains is due on the sale of an investment property but not on your PPR. Don't see why you would need proof if it is your PPR but a bill or two should do the trick.