This Bill was introduced in the House of Commons in February 1875.The Select Committee on Private Bills considered it in April and Joseph Chamberlain, as mayor, presented his evidence to the Committee on 16 April. Reproduced here are two out of the hundreds of pages of evidence given by Chamberlain about Birmingham and its gas consumption. Evidence was also provided by local boards of health, gas companies, chemists, town clerks, gas consumers, etc.

The Bill was passed by the Commons on 11 May, then went on to the House of Lords and came back with amendments, which the Commons agreed to. Having received royal assent on 2 August, it became Local Act, 38 & 39 Victoria I,c. clxxviii - 'An Act for effecting the sale and transfer to the Mayor, Aldermen and Burgesses of the Borough of Birmingham in the county of Warwick, of the Undertakings of the Birmingham Gaslight and Coke Company, and of the Birmingham and Staffordshire Gaslight Company; and for other purposes'. Later in the year, a similar Bill was passed relating to the city's water supplies.
HLRO HC/CL/PB/2/43/3 (16 April 1875)