The licensee must cause to be legibly painted with oil colour and keep so painted, on some conspicuous part of every mashtum, underback, copper heating, tank, cooler, fermenting vessel, and settling back intended to be used by him in his business and on the outside of the door of every room and place wherein and part of his business is to be carried on, the name of the vessel room or place according to the purpose for which it is intended.
