 She became the Third Deputy Chair of the Committee of the Whole House, also known as the "Deputy Speaker", on 26 March 2009.On 16 September 2009, she was promoted to Second Deputy Chair of the Committee of the Whole House.In 2012, DiNovo succeeded in getting Toby's Act passed, an amendment to the Ontario Humans Rights Code to include gender identity and gender expression–the first of its kind in North America.