In May 2009, Cassidy partnered with California Representative Jackie Speier to introduce legislation that would amend the House of Representatives rules to require that members of Congress list their earmark requests on their Congressional websites. Previous earmark reform efforts had focused on disclosure of earmarks that were funded by Congress. In June 2010, he introduced the Gulf Coast Jobs Preservation Act to terminate the moratorium on deep water drilling and require the Secretary of the Interior to ensure the safety of deep water drilling operations. He worked to ensure that money from the Gulf Coast Restoration Trust Fund which was established in the wake of the BP oil spill, is spent on coastal restoration efforts.