The TIMER Act (Timely Initiation to Modify Executive Rulemaking Act) changes the deadline for challenging federal regulations in court. Currently, the law has a six-year window to file legal challenges to government rules, but this deadline was unclear or potentially subject to different interpretations. This bill clarifies that people and organizations have exactly six years from the date a rule is officially issued to file a lawsuit challenging it in federal court. The legislation affects anyone who might want to contest a government regulation, including businesses, advocacy groups, and individuals. There is no specific funding associated with this bill, as it simply establishes a clearer legal timeline for existing judicial review procedures.