The government says that all debt will be serviced, though it will happen in rubles as long as sanctions — imposed because of the war — don’t allow dollar settlements. Failure to pay, or paying in local currency instead of dollars, would start the clock ticking on a potential wave of defaults on about $150 billion in foreign-currency debt owed by both the government and Russian companies including Gazprom, Lukoil and Sberbank.
finance.yahoo.com/news/russia-spiraling-toward-150-billion-040120029.html