Memorandum of cross-objections (Form 4) sets mandatory content, triplicate filing, numbered grounds, signature and verification requirements. Form 4 prescribes the format for a memorandum of cross-objections to the Appellate Tribunal, requiring identification of appeal and cross-objection numbers, parties, assessment details, addresses for service, relief claimed, and concise consecutively numbered grounds without argument; it must be signed, verified, filed in triplicate, and may be in English or, where allowed, Hindi, with Tribunal office entries and allowance for enclosures if space is insufficient.