No invoice

I'm traveling a lot with my work. Very relying on McDonald's especially when it comes to breakfast. Yesterday morning at 7h15 at McDonald's Upington after I've placed my order the employee told me that he can't give me an invoice. I need to cliam my traveling expenses so all invoices are very important. This was a bad experience. I had to go to KFC to get a breakfast and they could provide me with a invoice