· Scotland: Invited to give expert evidence to the Scottish Parliament’s Standards, Procedures and Public Appointments Committee on its Registration of Lobbying Act, November 2015 and February 2014.
· Council of Europe: Chari was the advisor to the European Committee on Legal Cooperation (CDCJ) Working Group on Lobbying Regulation, 2015-16; earlier advised the CoE’s Venice Commission, 2011-13.
· European Parliament: Expert evidence given to the Committees on Budgetary Control, Legal Affairs, Civil Liberties, Justice and Home Affairs, and Constitutional Affairs, Joint Hearing, 2015.
· UK: Expert witness before the Political and Constitutional Reform Committee, Westminster, 2012. Later advised the Cabinet Office on the development of the UK Lobbying Bill.
· Ireland: Invited by the Department of Public Expenditure and Reform, to advise on the drafting of Ireland’s lobbying laws, 2012; previously appeared before the Joint Committee on European Affairs, 2011; the team participated in a public consultation of the review of the Irish lobbying regulation act in 2019. Crepaz participated in a public consultation of the review of the Irish lobbying regulation act in 2020.
· Czech Republic: Expert Panel Presentation to parliamentary committee examining lobbying laws, 2011
· Australia: Advised the Independent Commission Against Corruption (ICAC) in the development of its Report recommending a new lobbying regulatory scheme for New South Wales.
· Open Government Partnership (OGP): Chari served served as an independent researcher for the OGP, evaluating Ireland’s commitment to open government and transparency policies between 2014-2018. The extent of this multilateral organization’s impact is reflected in 79 countries (representing 2 billion people) having signed agreements with the OGP.