C. It strengthened lobbying regulations by requiring lobbyists to file more detailed and frequent reports
This law creates new guidelines for lobbying, aiming to strengthen transparency mechanisms. Among the requirements observed, the lobbyist had to present all the expenses and contributions involving the lobbying activity, and was prohibited from presenting members of Congress and their staff with meals, trips and tickets for events etc. The law also stipulated that all archived reports and records should be available with no cost to the public. Finally, the law increased the frequency of submission of reports on contributions, once every six months, to quarterly.
Therefore, the third answer is correct (C).
