(b) Whether the applicant after due diligence on his part was unable to find the owner

(c) Whether the applicant has requested and had been denied authorisation by the said person to produce and publish the translation or reproduce the work or publish the unpublished work

(d) If the applicant was unable to find the owner, whether he had sent a copy of the request by-registered air mail post to the publisher whose name appears on the work. If so, the date on which the copy was sent.