An Act for elarging the Time for which Horses may be let to Hire without being subject to any annual Duty; for explaining and amending several Acts relating to the Duties on Horses, Servants, and Carriages; and for authorizing the Allowance in the Accounts of the Recievers General of the several Sums advanced by them, in pursuance of the Acts for raising a Provisional Force of Cavalry, and not reimbursed to them by Assessment.