Small Company: A private company with paid-up capital up to ₹4 crore AND turnover up to ₹40 crore. (Not applicable to holding/subsidiary co. or Sec 8 co.)
Associate Company: A company where another company has significant influence (at least 20% voting power or control of business decisions).
Related Party: Includes directors, KMPs & their relatives; firms/companies where they are partners/directors; holding, subsidiary & associate companies.
Relative: Includes spouse, members of HUF, and a prescribed list (father, mother, son, daughter, brother, sister & their spouses).
Officer in Default: Any officer liable for penalty/punishment, including WTD, KMP, and any person responsible for compliance.