Company incorporation rules: OPC eligibility, name reservation limits, prescribed forms, and section 8 licensing and conversion procedures. The Rules set procedures and documentary requirements for incorporation under the Companies Act, 2013, including OPC eligibility and nomination rules, prohibitions and mandatory conversion thresholds for OPCs, a detailed name reservation and undesirability regime, prescribed e Forms and authentication requirements for subscribers and directors, verification and publication obligations, and specific licensing, application and conversion processes for companies under section 8 with associated conditions, notices and professional certifications.