Company conversion requires special resolution, creditor notice, auditor certificate and professional certification under incorporation rules. Conversion between public/private company status and between unlimited and limited liability forms requires filing the prescribed eForm with corporate details, reason for conversion, special resolution SRN (Form MGT-14), Central Government order particulars where applicable, notice publications, a creditor list with liabilities, newspaper publication copy, and a statutory auditor's certificate; board declarations on liabilities, solvency and dispatch to creditors are required and a practising professional must certify eligibility, compliance and records while accepting liability under Section 448.