A bill to ensure economy and efficiency of Federal Government operations by establishing a moratorium on midnight rules during a President's final days in office, and for other purposes.

Midnight Rule Relief Act of 2012 - Prohibits a federal agency (excluding the Federal Election Commission [FEC], the Board of Governors of the Federal Reserve System, the Federal Deposit Insurance Corporation [FDIC], and the U.S. Postal Service [USPS]) from proposing or finalizing any midnight rule that would likely result in: (1) an annual effect on the economy of $100 million or more; (2) a...