Anno regni Georgii IV, Britanniarum regis tertio

At the Parliament begun and holden at Westminster, the twenty-first day of April, anno Domini 1820, in the first year of the reign of our sovereign Lord George the Fourth, by the Grace of God, of the United Kingdom of Great Britain and Ireland, King, Defender of the faith; and from thence continued, by prorogation, to the fifth day of February 1822, being the third session of the seventh Parliament of the United Kingdom of Great-Britain and Ireland [An act to regulate the trade of the Provinces of Lower and Upper-Canada, and for other purposes relating to the said Provinces] .