On Wed, 18 Aug 2010 12:36:32 +0100
Roland Perry wrote:
And good luck doing the credit control on all those who default. If you
cut off someone's Oyster card, they just get another one - quite
difficult for your water supply.

So you make it a condition that anyone who applies needs to prove their
name, address and credit worthyness before they're allowed to have this type
of account. Also FWIW water supplies can no longer be cut off completely.

B2003