Section 28(5) in The Static and Mobile Pressure Vessels (Unfired) Rules, 2016
(5)For keeping attention during operations-(i)a skilled and trained person with requisite knowledge and experience shall remain in attendance during all the operations connected with the transfer and ensure that all the requirements of these rules are complied with;(ii)if it is necessary to discontinue a vehicle loading operation temporarily, the loading hose, shall be disconnected from the vehicle for the period of such discontinuance.
