http://www.legislation.gov.uk/ukpga/1964/73/section/1British North America Act 1964An Act to amend the British North America Act 1867.1978-02-01texttext/xmlenStatute Law Database2011-05-261991-02-01 1Section 94A of the British North America Act 1867 is hereby repealed and the following substituted therefor: —94AThe Parliament of Canada may make laws in relation to old age pensions and supplementary benefits, including survivors’ and disability benefits irrespective of age, but no such law shall affect the operation of any law present or future of a provincial legislature in relation to any such matter.The text of s. 1 is in the form in which it was originally enacted: it was not reproduced in Statutes in Force and does not reflect any amendments or repeals which may have been made prior to 1. 2. 1991.30& 31 Vict. c. 3