"It is quite clear that without the amendment there will be substantial sums of Council Tax, very small figures individually, that councils will have to collect from a large number of pretty vulnerable households, " he said.
And there's a growing number of companies that now offer to collect huge amounts of data and analyse it as a service, with the promise of helping businesses find nuggets of information that give them a competitive advantage in their markets.
It said the three bodies were working with the Public Fundraising Regulatory Association to limit charities to the number of fundraisers they can have, which locations they can go to and how often they can collect.