(cf SCR Part 57, rule 4)
(1) After the document has been served or attempts to serve the document have failed, the Sheriff or other person requested to serve the document must make an affidavit of service, and lodge it together with such further copies of the affidavit as the principal registrar of the Supreme Court may direct.
(2) The affidavit must state when, where and how service was effected or attempted, and the costs incurred in connection with the service or attempted service.