 Calder also worked to obtain changes in federal tax laws to benefit fire fighters, including a change allowing them to accrue pensions at a higher rate so they could retire early with a full pension.He worked with Senator Lorna Milne to campaign for public access to post 1901 Canada Census data, an issue of special interest to genealogists.Before the 2004 election, the electoral districts were again rearranged and Calder contested the new Dufferin—Caledon riding.