Same old story - GOM shake down attempt! https://seekingalpha.com/news/3650356-turquoise-hillminus-23-mongolia-warns-on-oyu-tolgoi-project-viability
The GOM was unsuccessful in a number of attempts to re write the IA and so they are now taking a different approach on trying to shake money out of Tinto and TRQ - tax auditing - They will have to lose a number of cases before it sinks in that this approach is not working as well. Tinto's lawyers should be well prepared for the arbitration with the wild card being the arbitrators. GOM will likely get a few peanuts as a cancellation prize. As The Donk Games Continue!!!
GOM is playing a dangerous game here and most likely bluffing. Rio Tinto and TRQ are already the biggest contributors to Mongolian GDP, one of the biggest tax payers and employers. The last time Rio Tinto parked this project due to Government actions, the Mongolian economy took a huge hit, the currency sank, tax revenues went south as foreign companies became leery of doing business in Mongolia, and the standard of living sank considerably. I guess the politicians have short memories. This is just a shake down attempt by the GOM.