Interesting. Equipping the (Public Sector) IT Department with purchasing cards was one way around the problem. Then they could pop into PC World and get the simple things in life at their retail price.
What is in breach here? Is the assumption that you can sign away your rights to fair payment for endorsing a product a fair one? The funds of course transfer to the SUITs - Sneaky, Untrustworty, Irresponsible Thieves.