The LDA, as amended, requires lobbyists to file quarterly disclosure reports and semiannual reports on certain political contributions. The law also includes a provision for GAO to annually audit lobbyists’ compliance with the LDA. GAO’s objectives were to (1) determine the extent to which lobbyists can demonstrate compliance with disclosure requirements, (2) identify challenges to compliance that lobbyists report, and (3) describe the resources and authorities available to USAO in its role in enforcing LDA compliance, and the efforts USAO has made to improve enforcement. This is GAO’s 11th report under the provision...