April 04, 2017 18:59 Updated Follow Lobbyist Activity Reports are due two times per year. May 31st and November 30th. http://www.in.gov/ilrc/2448.htm Related articles Where can I find all forms to file with the IN Lobby Registration Commission? What is the penalty for late filing of Activity Report and Registration Statements? Is online filing of Reports and Registration Statements available? When is the Registration deadline for Employer and Compensated Lobbyists? What is the fee to register a For-Profit Lobbyist?