failed to comply with the requisitions of the law, the Mayor, shall, at the expiration of eight days, give public notice thereof.
Sec. 9. That every City Auctioneer within this shall constantly keep a fair Copy of this Law in some conspicuous place in his Auction Room, for the inspection of the public, and if he shall fail so to do, he shall forfeit and pay a penalty not exceeding twenty Dollars, at the discretion of the Mayor, Alderman, or Municipal Court, before whom the same may come for Trial.