Paragraph 12
Any employer who is a member of a mutual insurance association of shipowners or of shipowners and others, in respect of any liability to an employee of the kind mentioned in section 1(1) of the 1969 Act against which the employer is insured for the time being with that association for an amount not less than that required by the 1969 Act and regulations under it, being an employer who holds a certificate issued by that association to the effect that he is so insured in relation to that employee.