- The owner of a cylinder shall keep record for the life of each cylinder, 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 or pneumatic test;(iv)cylinder manufacturer's test and inspection certificate;(v)number and date of letter of approval granted by the Chief Controller.
