Feb 21 (Reuters) - Global Miner Rio Tinto RIO.AX RIO.L said on Friday its Mongolian unit had begun an international arbitration process, seeking to resolve a dispute with the local tax authority.
"We have worked diligently with the government and tax office representatives in Mongolia to find a mutually acceptable settlement and came to the conclusion that arbitration is the best way forward to resolve this issue," Rio said in a statement.
The dispute relates to taxes paid by Oyu Tolgoi between 2013 and 2015.