NTEU PResident Colleen M. Kelley, far left, speaks during a “Proud to Work for America” rally in support of the federal workforce in July in New York. (Mary Altaffer/AP)

In a letter sent to House members on Friday, National Treasury Employees Union President Colleen M. Kelley wrote that the House GOP plan “would unfairly target the federal workforce for further sacrifice to pay for an extension of the payroll tax holiday, which ironically many federal workers are not eligible for.”

Read more at Felicia’s blog, 2Chambers.

Follow Ed O’Keefe on Twitter: @edatpost