Artisans shall, in accordance. with their agreement as to time, place, and form of work, fulfill their engagements. Those who postpone their engagements under the excuse that no agreement as to time, place and form of work has been entered into shall, except in troubles and calamities, not only forfeit ¼th of their wages, but also be punished with a fine equal to twice the amount of their wages. They shall also make good whatever is thus lost or damaged. Those who carry on their work contrary to orders shall not only forfeit their wages, but also pay a fine equal to twice the amount of their wages.