All special tax bills herein authorized shall be assignable and collectible in any action brought in the name of the city, town or village to the use of the holder thereof; but the municipality shall not in any event be liable for any cost that may accrue in the action. The special tax bills shall, in any action thereon, be prima facie evidence of the regularity of the proceedings for the special assessment, of the validity of the bill, of the doing of the work and of the furnishing of the materials charged for, and of the liability of the property to the charge stated in the bill.