Documentary requirements for PAN: entity applicants must submit official formation or government-issued identity and address evidence. Entities other than individuals/HUFs applying for PAN must submit official formation or registration documents establishing the entity's identity and address. Partnership firms need a Registrar of Firms' registration certificate or partnership deed; LLPs require the Registrar of LLPs' Certificate of Registration; trusts require a trust deed or Charity Commissioner registration certificate; other associations, bodies, local authorities, or artificial juridical persons must provide an agreement, relevant registration certificate, or a Central/State Government document proving identity and address.