The federal Equal Opportunity Commission is appealing a court ruling that absolved Baltimore County of having to return money to thousands of employees who overpaid into the pension system.
The commission filed notice of its appeal last week. It did not describe the reasons for the appeal, and a spokesman declined to comment.
EEOC lawyers have argued that the county knew for years that its age-based pension plan rates were discriminatory, and the possibility of having to pay employees back should have been "foreseeable for several decades."
A federal judge ruled in 2012 that the county had been wrong to overcharge older workers. In August, another judge ruled...