Customs duty payment challan ensures prescribed data, bank certification and focal point crediting for government account posting. The document prescribes the TR-6 Challan as the payment instrument for Customs Duties (Major Head 0037), listing required data fields: bank and focal point details, accounting collectorate/division/range codes, assessee identity, country of origin/destination, remittance particulars or bill of entry, tariff/item reference, head of accounts and accounting code, amount and mode of payment, and signature/counter signature. It mandates bank receipt stamping and focal point bank credit confirmation to evidence credit to the government account.