Of the eight amendments the Senate approved (some of which were approved by voice vote) so far, they generally introduce prerequisites to closing postal offices. For instance, the amendment (S. Amdt. 2058) introduced by Sen. Tom CoburnThomas (Tom) Allen CoburnFormer GOP senator: Trump has a personality disorder Lobbying World -trillion debt puts US fiscal house on very shaky ground MORE (R-Okla.) lets communities streamline aspects of local postal offices, like how many hours they are open. An amendment introduced by Sen. Olympia Snowe (R-Maine) requires the United States Postal Rate Commission to consider methodology and costs of local mail processing reports (S. Amdt. 2080) before any changes to postal facilities.

An amendment introduced by Sen. Dick DurbinRichard (Dick) Joseph DurbinDemocrats turn on Al Franken Minnesota's largest newspaper calls on Franken to resign Democratic senator predicts Franken will resign Thursday MORE (D-Ill.) (S. Amdt. 2082), approved by voice vote, "prohibits" the postal service from cutting the workforce or all-together closing certain postal offices. Similarly, an amendment by Sen. Claire McCaskillClaire Conner McCaskillDemocrats turn on Al Franken Trump rips Dems a day ahead of key White House meeting The Hill's 12:30 Report MORE (D-Mo.), also approved by voice vote, introduces a limit on how many postal offices in rural areas can be closed without meeting certain requirements.

Sen. Tom Coburn (R-Okla) also introduced an amendment (S. Amdt. 2060), which the chamber approved by voice vote, which requires the mail service to post all service spending online. Sen. Jon TesterJonathan (Jon) TesterGOP and Dems bitterly divided by immigration Senate panel moves forward with bill to roll back Dodd-Frank GOP defeats Schumer bid to delay tax vote MORE (D-Mont.) also introduced an amendment also modifies spending for closing postal service facilities. The amendment (S. 2056), approved by voice vote, caps spending for conferences by all federal agencies, including but also the USPS.

Sen. Ron WydenRonald (Ron) Lee WydenDemocratic senator predicts Franken will resign Thursday Avalanche of Democratic senators say Franken should resign Lobbying world MORE (D-Ore.) introduced an amendment (S. Amdt. 2020) meant to exclude closing postal offices or make changes to postal services that would change the outcome of elections through affecting votes made through the mail.

Sen. Michael BennetMichael Farrand BennetAvalanche of Democratic senators say Franken should resign GOP and Dems bitterly divided by immigration Schumer downplays shutdown chances over DACA fight MORE's (D-Colo.) amendment creates a commission of "citizen's service protection advocates" charged with representing Americans' public interest of the mail service. Bennet's amendment, (S. Amdt. 2047), was approved by voice vote.

The amendments the Senate voted on that did not pass were:

McCain amendment in the nature of a substitute. (#2001) Withdrawn.

McCain amendment to establish the Commission on Postal Reorganization. Establishes a commission for U.S. Postal Service reorganization. (#2033)

Coburn amendment to require retirement-eligible employees of the Postal Service to retire. (#2061)

Udall (NM) amendment to strike the limitations on changes to mail delivery schedule, with an offset. (#2043)

Akaka amendment to provide appropriate workers compensation for Federal employees. (#2034)

Corker amendment to improve the bill. (#2083)

Mikulski amendment to prohibit the United States Postal Service from closing any postal facility without a certification from the Governor of the State in which the postal facility is located. (#2003)

Paul amendment to end the mailbox use monopoly. (#2025)