An Act for repealing Two Acts made in the Forty-second and Forty-seventh Years of His present Majesty, for the more effectual Administration of the Office of a Justice of the Peace, in such Parts of the Counties of Middlesex and Surrey as lie in or near the Metropolis, and for the more effectual Prevention of Felonies; and for making other Provisions in lieu thereof; to continue in force until the First Day of June One thousand eight hundred and thirteen, and from thence until the Expiration of Six Weeks from the Commencement of the then next Session of Parliament.