Duty payment intimation: monthly declaration must show cash payments and CENVAT credit allocation across duty components. Manufacturer must submit a monthly declaration identifying premises and ECC, state Retail Sale Price(s) and number of packing machines, and confirm payment of duty. Payment particulars must detail cash payments and utilisation of CENVAT credit in a prescribed table showing opening balance, credit availed, credit utilised with dates and closing balance for each duty component. A prescribed breakup allocates cash payments across central excise duty, additional excise duty, national calamity contingent duty, education cess and secondary and higher education cess. Bank challans must be enclosed and the form signed by the manufacturer or authorised agent.