If it's a lump sum, Andy, then that is fine. But most reputable insolvency practitioners would be very wary of putting a case forward where the commitment to pay is with a third party. Too risky, and no recourse if the third party refuses to pay.
Paul - no-one will need to come to your house unless you want them to. Most IPs will conduct telephone interviews these days, so long as you are not self-employed.
Regards, Melanie Giles, Insolvency Practitioner for over 20 years.
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