The purpose of the ACPAC Modernization Act is to update and extend the role of the Aviation Consumer Protection Advisory Committee, which is responsible for advising on consumer protection issues in the aviation industry. This legislation aims to ensure that the committee remains effective in addressing the needs and concerns of air travelers. Key provisions of the Act include changes to the membership of the advisory committee. Specifically, it adds ticket agents as a new category of members who will participate in the committee's discussions and decisions.