federal (and congressional) employees with overdue taxes

From the WaPo's T.W. Farnum (hat tip: FEE)...

Capitol Hill employees owed $9.3 million in overdue taxes at the end of last year, a sliver of the $1 billion owed by federal workers nationwide but one with potential political ramifications for members of Congress...It comes at a time when some Republican members are pushing for the firings of government workers who owe the IRS and President Obama has urged a crackdown on delinquent government contractors...

The IRS information does not identify delinquent taxpayers by name, party affiliation or job title and does not indicate whether members of Congress are among the scofflaws. It shows that 638 employees, or about 4 percent, of the 18,000 Hill workers owe money, a slightly higher percentage than the 3 percent delinquency rate among all returns filed nationwide.

The average unpaid tax bill is $12,787 among the Senate's delinquent taxpayers and $15,498 among those working in the House....