.-The owner of a cylinder shall keep for the life of each cylinder, a record containing the following information regarding each cylinder, namely:-(i)Cylinder manufacturer's name and the rotation number;(ii)The specification number to which the cylinder is manufactured;(iii)Date of original hydrostatic test or hydrostatic stretch test;(iv)Cylinder manufacturer's test and inspection certificates;(v)Number and date of letter of approval granted by the Chief Controller.
