And it was likewise enacted "that all and every the tackle-house and ticket-porter and porters should execute a bond with two good and sufficient sureties to the said governor for the time being, in the penalty of 100l., conditioned for paying, making good, and reimbursing to any merchant or merchants or other person or persons who should employ him or them, all and every loss and damage which such merchant or merchants should or might sustain by the negligence, carelessness, or improper conduct of such porter, and also for the further [faithful?] performance of the duties of his office, and for his general good behaviour as a porter, except in the case where the tackle-porter hath already given bond to the respective company to which he belongs ; and in such case the production of a certificate to the governor of the said society of tackle-house and ticket-porters for the time being, from the clerk of the company to which such porter belongs, of such bond having been duly entered into by such porter, should be deemed and taken to be fully sufficient."