WBONO0000944
WBON0000944
From: "Parsons, Andrew" C
To: "martin.smith:
Clarke + GRO
Subject: Balancing Transactions [BD-4A.FID20472253]
Date: Wed, 15 Jul 2015 14:49:25 +0000
Importance: Normal
Attachments: Old_Horizon_v1.docx
Inline-Images: image001 jpg; image002.jpg; image003.jpg
+, Simon
Martin, Simon
Before Rodric went on holiday, he asked me to push forward the disclosure piece around Balancing Transactions.
I understand that during the con with Brian Altman, there was a discussion about doing some further investigations into
when POL had used BTs on Old Horizon. As part of these investigations, we asked FJ to explain how BTs would work
on Old Horizon. In reply, they produced the attached paper. In short, it says:
- It was possible to do something equivalent to a BT on Old Horizon.
- Any "BT" would show in the master transaction logs.
- Searching for BTs would be a big job.
It has subsequently been confirmed by FJ that searching for BTs would in fact be an enormous task, taking several
months of work. The reason for this is that transaction data is simply not stored in a way that permits one to run a
single query across all the data in one go. FJ would need to unpack the data for each branch, search it, then re-pack
in a way that does not destroy the audit trail for the data. On this basis, POL is not prepared to commission this
exercise unless it is considered absolutely vital and there is no credible alternative.
I would be grateful for your thoughts on an alternative way forward or whether, in light of the above, POL needs to
undertake this exercise at all. Perhaps we could have a quick con call to discuss later this week. I'm around all week
— so please let me know when is good for you.
My thoughts on one way forward are that POL could try to narrow the scope of the search as follows:
— Only look at Old Horizon data (ie. pre 2010) — as we know there was only one BT on New Horizon because
New Horizon tracks BTs in a separate log.
e We can only back as far as around 2008 due to normal retention policies on Horizon data.
* Only look at data for branches where there was (i) a prosecuted SPMR and (ii) the SPMR was an active
SPMR during the above time periods.
Kind regards
Andy
Andrew Parsons
Managing Associate
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