A tax due and unpaid under this article shall be a debt due the town. It shall be a personal obligation of the taxpayer and shall be a lien upon all property used in the business or occupation upon which such a tax is imposed, provided no such tax lien shall be enforceable on a bona fide purchaser (including lien creditor) for valuable consideration without notice, unless docketed in the office of the County Court of Monongalia County before a deed therefor to such purchaser is delivered for record to the Clerk of said County Court. A penalty of five percent of the tax shall be added for any default for thirty days or less, and for each succeeding thirty days elapsing before payment there shall be an additional penalty of one percent, all of which penalties shall be secured by the lien herein provided. (Passed 10-23-56.)