The government, which said in February that it would join a whistle-blower lawsuit brought by former Armstrong teammate Floyd Landis in 2010, says the USPS spent about USD 40 million in sponsor money and gave Armstrong USD 17 million.
The case could mean a total USD 150 million hit for Armstrong.
Mumbai Roundup: 9 incidents that took place this week
Photos: Ajay Devgn, Parineeti, Tabu at 'Golmaal Again' trailer launch
Photos: Dipika Pallikal Karthik oozes oomph in bikinis and sarees
Photos: Kareena Kapoor Khan's grand birthday bash
Photos: 'Dangal' girls Sanya Malhotra, Fatima Sana Shaikh's dinner outing