5.—(1) Where any accident or other occurrence of a kind specified in Schedule 1 to these Regulations occurs in respect of a pipe-line or in the course of any pipe-line works, the owner of the pipe-line or, in the case of pipe-line works, the owner of the pipe-line or the proposed owner of the proposed pipe-line to which the works relate, shall—
(a)ensure that immediate steps are taken to give to the Secretary of State for Energy in the most expeditious manner practicable particulars relating to the occurrence including its nature, the time and place of the occurrence and the identity of any person dead, lost or seriously injured; and
(b)within a period of 5 days beginning with the date of the occurrence give to the Secretary of State for Energy written particulars relating to the occurrence including particulars of the matters specified in Schedule 2 to these Regulations.
(2) Where particulars relating to an accident causing serious bodily injury are given under paragraph (1) above and the person injured dies within 12 months after the occurrence of the accident, the owner of the pipe-line or the proposed owner of the proposed pipe-line shall, as soon as it comes to his knowledge, give notice of the death to the Secretary of State for Energy.