Service of petition on company: modes and proof required, including personal, substituted, or registered post service with sealed copy. The affidavit sets out formal proof of service by specifying the affiant, date and method of service and requiring that the copy bear the Court seal. Permitted methods include delivery to an officer or employee at the registered office, leaving or affixing a copy after due diligence if no officer is found, substituted service pursuant to a judicial order delivered with that order, and service by prepaid registered post with postal voucher and acknowledgement annexed. The served copy must be identified as an exhibit and the affiant must solemnly affirm the facts.