" Single Article.-Releases from the right of detention, of storage, of the taxes laid down in Decree No. 2,772 of August 18, 1943, and its subsequent amendments, and, in general, of any right or contribution, to the following machinery acquired by the Empresa Nacional de Electricidad S. A. ENDESA, intended for the installation of the public utility of electricity distribution in the city of Iquique.
Three Diesel-electric generators, Sulzer Oerlikon brand, complete, with its transformers and other accessories and parts, of 2,100 HP. Each one, three refrigeration towers, three drill wells, switchgear switches and equipment; control and measurement instruments; battery of accumulators for emergency control and service, and machinery, tool and materials required for operation and maintenance of the power plant.
If within the period of ten years, since the period of validity of this law, the species referred to above are disposed of or intended for an object other than that specified, the taxes and duties of which this law is paid shall be paid. The persons or entities involved in the respective acts or contracts shall be jointly and severally liable for their payment. "