Now and then, taxpayers may find themselves in a situation where they simply have no records to back up a tax claim. There can be many reasons for this, such as losing documents (either paper or electronic) when moving home, or technology failures that end up with the same result (or at worst even destroy records).

And with a hot summer predicted, let's not forget the very real danger of natural disasters and the devastation these can have on people's lives, not just their financial concerns.

It's try that in these...