The whole concept of 'real time data matching' may be deeply flawed.
For the words 'real time' imply, obviously, reality.
And though data matching is defined as comparing data sets to see how far they 'match' a 'mismatch' does not necessarily imply any 'real' problem in 'real time or space'.
Yet we know that the NFI is perfectly happy to provide lists of 'hits' which do not 'indicate' inconsistencies, but which only 'indicate' a potential inconsistency. Indeed, the data itself does not 'indicate' anything: it is the person interpreting it who does the 'indicating'.
It also produces lists of hits where the comparison is 'apparent' rather than 'real' as in the case of people who 'appear' to be in an inconsistent situation only to those who incorrectly understand council tax IT systems.
So 'real time' data matching seems likely to lead to yet more confusion and misunderstanding, especially if, as the signs suggest, they are still attempting to fit the square peg of the full electoral register into the round hole of IT systems used to administer CT discounts.
