On 6 December 2023 the Senate referred the following inquiry to the Senate Finance and Public Administration References Committee for inquiry and report by 30 April 2024.

Access to Australian Parliament House by lobbyists and the adequacy of current transparency arrangements relating to the lobbyist register, with reference to the adequacy of:

(a) current transparency arrangements relating to the lobbyist register;

(b) the current sponsored pass system for lobbyists to access Australian Parliament House with particular regard to transparency and publication of lobbyists who are pass holders and their sponsors; and

(c) publicly accessible information of Australian Parliament House pass holders who are lobbyists and their sponsors.