(1)Every brewer for sale shall keep the total produce of a brewing separate from the produce of any other brewing for the space of twenty-four hours, unless an account of the first-mentioned produce shall have been sooner taken by the officer.
(2)He shall not mix the produce of one brewing with that of any other brewing, except in his store vats or casks, unless he shall have given previous notice hi writing to the proper officer, and he shall specify in writing the quantity and gravity of the worts when mixed: Provided, that a brewer having weak worts of a gravity not exceeding twenty-five degrees, may, if he think fit, reserve them for mixing with the produce of his next brewing, but in such case he shall keep all such weak worts in the coppers, heating tanks, or other vessels entered for the purpose.
(3)For any contravention of this section the brewer shall incur a fine of one hundred pounds.