A bipartisan Senate quartet introduced a plan Wednesday that would refund nearly  $7 billion to the United States Postal Service in order to keep the institution solvent as it struggles to stay afloat.

Sens. Joe Lieberman (I-Conn.), Scott Brown (R-Mass.), Susan Collins (R-Maine) and Tom Carper (D-Dela.) were harmonious in saying that the refund is in no way a bailout for the service. 

“This refund from the Federal Employees Retirement System (FERS) retirement fund is not a bailout,” Lieberman said. “This was, in fact, an overpayment by the postal service and it is entitled to receive that money back.”

According to a statement released by the quartet,  Post Master General Patrick Donahoe would be given access to money the postal service has overpaid to the FERS. Donahoe would then use the funding to offer buyouts or retirement incentives in order to reduce the postal service’s workforce by 100,000. 

Complimenting the refund is a measure that would prohibit the postal service from eliminating Saturday delivery for at least two years. Following that period, the service would be required to meet a series of conditions in order to scrap weekend deliveries.

“What we want to do is to ensure that eliminating Saturday service is truly the last resort, not the first option,” Collins said.

The provision to save weekend service contradicts a similar bill passed in the House that would effectively allow the postal service to drop a delivery day. The bill, sponsored by House Oversight and Government Reform Committee Chairman Darrell Issa (R-Calif.), has been widely criticized by Democrats as partisan legislation.