British North America Act 1871
1871 c.28
An Act respecting the Establishment of Provinces in the Dominion of Canada.
[29th June 1871]

Whereas doubts have been entertained respecting the powers of the Parliament of Canada to establish Provinces in territories admitted, or which may hereafter be admitted, into the Dominion of Canada, and to provide for the representation of such Provinces in the said Parliament, and it is expedient to remove such doubts, and to vest such powers in the said Parliament: