HACK
.—Any horse appropriated to every kind of purpose, (and upon which no great estimation or value is placed,) it has been the custom for time immemorial to distinguish by the appellation of HACK. Custom, however, has permitted a slight deviation from a practice of long standing, and A HACK is now generally understood to imply the idea of a hired horse; that is, a horse the property of a HACKNEY-MAN, JOB or POSTMASTER, who lets out horses by the day, week, or month, and who is obliged to take out an annual licence for permission so to do, paying FIVE SHILLINGS for the same: doing which without A LICENCE, renders him liable to a penalty of TEN POUNDS.
Hack horses, whether for riding or drawing, used in travelling post, are individually liable to a duty of one penny halfpenny per mile, for as many miles as such horse shall be engaged to travel within a day, or any less time; but where the distance cannot then be ascertained, one shilling and ninepence shall be paid for each horse so hired. This duty is demanded by the person letting the horse or horses to hire, who, upon receiving such payment, shall deliver to the person so hiring, one or more STAMP-OFFICE TICKETS, under a penalty of TEN POUNDS.