Library and Archives Canada (LAC) combines the holdings, services and staff of both the former National Library of Canada and the National Archives of Canada. As outlined in the Preamble to the Library and Archives of Canada Act, LAC’s mandate is as follows: to preserve the documentary heritage of Canada for the benefit of present and future generations; to be a source of enduring knowledge accessible to all, contributing to the cultural, social and economic advancement of Canada as a free and democratic society; to facilitate in Canada co-operation among communities involved in the acquisition, preservation and diffusion of knowledge; to serve as the continuing memory of the Government of Canada and its institutions.