Section 61(2)(z) in The Petroleum And Natural Gas Regulatory Board Act, 2006
(z)any other type of documents which are to be registered with the Board under sub-clause (ii) of clause (d) of sub-section (1) of section 52;(za)any other matter which is required to be, or may be, specified by regulations or in respect of which provision is to be or may be made by regulations.