The Central Bank of Nigeria says it is reviewing information with a view to reaching an equitable resolution to the $8.1 billion MTN repatriation issue.
Nigeria's $10 billion demand makes MTN's planned IPO in the country pretty challenging and awkward, says group CFO Ralph Mupita.
The MTN Group is hit with a $2 billion Nigerian tax bill, marking the operator's latest skirmish with authorities in its most lucrative market.
The mobile operator challenges the Nigerian central bank over allegations that it breached the country's foreign exchange regulations.
The company reports revenue growth, driven by voice and the expansion of data and digital services.
The telco has yet to file its application for an initial public offering, a share listing that could value the business at around $5 billion.
The telco says a planned listing in Ghana is expected to launch in late May, while it has come to an agreement over a fees dispute in Benin.
Nigerian investment firm, Chapel Hill Denham, will reportedly act as lead manager for MTN Nigeria's initial public offering later this year.
Two years after the financial and reputational damage caused by the mega fine imposed on MTN Nigeria, the group has largely learnt from the experience.
The telecoms giant says it has received a notification of the fine from the Rwanda Utilities Regulatory Authority.
Group data revenue spiked over 29% year-on-year in the first quarter of 2017, pushing the telco's overall Q1 revenue up 7%.
The mobile giant's share price has fallen over 40% since December 2014, shaving a considerable chunk off its market cap.