Reauthorization refers to the process of renewing, extending or revisiting a previously authorized law, program or policy. It involves reviewing and updating legislation that has already been approved by Congress and signed into law by the President. The reauthorization process can include changes in funding levels, eligibility requirements, or other aspects of the original authorization to ensure it remains relevant and effective. Reauthorizations are typically done on a regular basis to assess the effectiveness of programs and make necessary adjustments based on new information or changing circumstances.