| Generate and extend e-way bills (verify: The value threshold for intra-state movement is set by each state and differs. Validity is one day per the notified distance slab; confirm the current slab.) | EWB-01 | Monthly. Generate before movement of goods where the consignment value exceeds the threshold; validity runs by distance, and Part B must be updated on each change of conveyance. | Detention and seizure under section 129 of the CGST Act, with tax and penalty payable to release the goods and the vehicle. | CGST Rules, 2017 Rule 138 |
| Report invoices to the Invoice Registration Portal (verify: Both the turnover threshold and the maximum reporting delay have been revised in stages. Confirm the current threshold and window.) | — | Monthly. Generate the invoice reference number for every B2B invoice where the aggregate turnover crosses the notified threshold, within the reporting window. | An invoice without a valid IRN is not a valid document, so the recipient loses input tax credit and the e-way bill cannot be generated. | CGST Rules, 2017 Rule 48(4) |
| Monthly GST returns (verify: QRMP filers and taxpayers in certain states have different dates.) | GSTR-1 and GSTR-3B | Monthly. GSTR-1 by the 11th and GSTR-3B by the 20th for monthly filers. | Late fee and interest, and blocking of e-way bill generation after two consecutive default periods. | CGST Act, 2017 sections 37 and 39 |
| Update the Importer-Exporter Code | — | Annual. Update the IEC electronically every year between April and June, even where there is no change. | The IEC is de-activated, which stops every import and export until it is updated. | Foreign Trade Policy; DGFT notifications |
| Realise and repatriate export proceeds (verify: The realisation period has been extended and varies for SEZ and status-holder exporters. Confirm the current period.) | — | Quarterly. Realise the full export value within the period permitted under FEMA from the date of export, and close the entry in EDPMS. | Outstanding EDPMS entries block further shipping bills and become a FEMA contravention requiring compounding. | FEMA, 1999; RBI Master Direction on Export of Goods and Services |
| Multimodal transport operator registration renewal (verify: Confirm the current tenure and the renewal lead time with DG Shipping.) | — | On renewal. Registration with the Director General of Shipping is granted for a fixed term and must be renewed before expiry. | Issuing a multimodal transport document without registration is an offence and undermines the document itself. | Multimodal Transportation of Goods Act, 1993 |
| Common carrier registration under the Carriage by Road Act (verify: Confirm the certificate's validity period and the renewal procedure with the issuing authority.) | — | On renewal. Register with the State Transport Authority and renew before expiry; carry the registration number on every goods forwarding note. | Operating as an unregistered common carrier is an offence, and the statutory limitation of liability is not available. | Carriage by Road Act, 2007 and the Carriage by Road Rules, 2011 |
| Give notice of cargo loss or damage in time | — | On the trigger event. Road: within 180 days of the date of booking. Air, under the Montreal Convention: 7 days for checked baggage, 14 days for cargo damage and 21 days for delay. Sea: the one-year time bar for suit. | No notice, no claim — the bar is absolute for road and air, and the sea time bar is a complete defence. | Carriage by Road Act, 2007 section 16; Carriage by Air Act, 1972 Schedules; Carriage of Goods by Sea Act, 1925 |
| Airworthiness review and continuing airworthiness management (verify: Review dates are aircraft-specific and set by the maintenance programme, not by the calendar. Replace this placeholder with the actual review date.) | — | Annual. Maintain the certificate of airworthiness through the airworthiness review cycle and the approved maintenance programme. | The aircraft is grounded, and the operator's certificate is at risk. | Aircraft Rules, 1937 and the DGCA Civil Aviation Requirements |
| Air operator certificate renewal and surveillance audits (verify: Tenure and the renewal application lead time are set by the applicable CAR.) | — | On renewal. Apply for renewal in accordance with the applicable Civil Aviation Requirement and close all audit findings within the time given. | Operations cease on expiry, and unclosed findings escalate to enforcement action. | Aircraft Rules, 1937; DGCA Civil Aviation Requirements |
| ISM Code document of compliance and safety management certificate verification (verify: Verification windows are anniversary-based for each vessel, not calendar-based.) | — | Annual. Annual verification of the document of compliance and the intermediate verification of the safety management certificate within the prescribed windows. | Detention by port state control and invalidation of the certificate. | Merchant Shipping Act, 1958 and the ISM Code as applied in India |
| Vehicle fitness, permit, insurance and pollution certificates (verify: Renewal cycles differ by vehicle age and category; run this from the fleet register, not a single date.) | — | Annual. Renew the fitness certificate, the goods carriage permit, third-party insurance and the pollution under control certificate for every vehicle before expiry. | Penalties under the Motor Vehicles Act, and an uninsured vehicle exposes the owner personally to a MACT award. | Motor Vehicles Act, 1988 |
| Authorised Economic Operator obligations and renewal (verify: Validity differs between AEO tiers; confirm from the certificate.) | — | On renewal. Maintain the compliance standard, report changes and apply for renewal of the AEO status before expiry. | Loss of the deferred duty and faster clearance benefits that the supply chain is planned around. | CBIC AEO programme circulars |
| Bonded warehouse bond, interest and clearance timelines | — | Quarterly. Track the warehousing period for each bill of entry and clear or extend before it expires, keeping the bond and bank guarantee live. | Interest on duty and, on expiry, the goods are liable to be sold by the department. | Customs Act, 1962 sections 61 and 72 |
| WDRA warehouse registration renewal (verify: Confirm the current registration tenure with the WDRA.) | — | On renewal. Renew registration before expiry to continue issuing negotiable warehouse receipts. | Receipts issued without registration are not negotiable, which breaks the commodity finance behind the stock. | Warehousing (Development and Regulation) Act, 2007 |