I was introduced to a document produced by the Norges Bank at the Fair Tax Mark conference. This was their tax and transparency report.

You may not have heard of the Norges Bank. This is what they say of themselves:

They run Norway's enormous national oil based pension fund.

And this is how they summarise their position on tax:

And this is how they expand on this:

They start by saying companies should publish country-by-country reporting or explain why not.

This fund is big. And has influence. Investors are now demanding what just a few tax just campaigners were once calling for.

In amongst the gloom of much of our polotics there are signs of hope for change.