Return Filing Periodicity: quarterly option for small taxpayers; monthly filing choice locks periodicity for the financial year.
Return filing links FORM GSTR-1 and FORM GSTR-3B with periodicity based on self-assessed aggregate turnover; taxpayers up to the turnover threshold may file GSTR-1 quarterly or opt for monthly filing for the whole year. Reduced late fees apply with waivers for initial months. Corrections to FORM GSTR-3B are permitted using the "edit facility" before liabilities are offset; system reconciliation with GSTR-1 and GSTR-2 is planned but deferred until filing timelines are notified. Remedial steps for common errors and procedures for adjustments, challans (FORM GST PMT-06) and refunds are prescribed.

Formation of Export Promotion Cells centralises customs work under designated cells, transferring files from GST units and establishing reporting lines.
Export Promotion Cells are established to handle customs work formerly attended by Central Excise/GST officers; each Cell is assigned specific district jurisdictions and headed by named officers. The Cells will take over all customs-related files from the respective GST Commissionerates immediately, and officers posted to the Cells will report to the Commissioner of Customs, Mangalore through the Additional Commissioner. Trade is requested to utilize these Cells for customs work and to report any difficulties to the Commissionerate.

Export Promotion Cells to assume customs processing for specified districts and centralize case management immediately.
Formation of Export Promotion Cells at Bengaluru, Mysore and Chitradurga will assume Customs work previously attended by Central Excise/GST officers, each with specified district jurisdictions and designated Assistant Commissioners. These Cells shall take over all Customs-related files from the respective CST Commissionerates, officers will report to the Commissioner of Customs, Bangalore City Customs, and trade is requested to utilise their services and report difficulties, with effect immediately and until further orders.

GST portal escalation procedure: stepwise reporting and escalation for unresolved taxpayer technical issues on the national GST system.
Taxpayers must first contact the GSTN Helpdesk and obtain a Service Request Number; if unresolved they may escalate to the CBEC jurisdictional office/GST Seva Kendra citing that number and using a prescribed email subject format. GSTN has designated a Resident Engineer as a point of contact for CBEC-reported issues, and further escalation channels including a specified copy-to email address are available if the matter remains unresolved.

Importer data quality obligations require full, accurate declarations for assessment; failure may lead to document return and penalties.
Importers and Customs Brokers must furnish complete and accurate information in Bills of Entry-description, brand, model, grade, specification, unit of quantity consistent with invoice unit price, and country of origin-and product descriptions must avoid spelling errors and abbreviations. Appraising Groups and Import Shed will verify completeness and return documents lacking details for amendment. Repeated non compliance may result in penal action, including suspension of Customs Broker licence where mala fide intent is found.

Telecommunication antenna classified as transmitting and receiving apparatus under heading 8517, affirmed for BTS/NodeB/eNodeB use.
The antenna used at Base Transceiver Station/NodeB/eNodeB functions as a complete transmitting and receiving apparatus converting electrical signals to electromagnetic waves and vice versa, and therefore merits classification as apparatus for transmission or reception of voice, images or other data under heading 8517, specifically under CTH 8517 62 90.

Provisional attachment powers assigned to specified officers to protect revenue, limited by territorial jurisdiction.
Specification of authority to exercise provisional attachment powers under the State Goods and Services Tax framework assigns the power to protect revenue by making provisional attachments in defined cases, and designates Deputy Commissioner, Assistant Commissioner and State Tax Officer to perform that function only within their territorial jurisdiction unless otherwise specified.

Finalization of provisional assessments accelerated via a special task force and SVB coordination to clear EDI pendency.
A special drive by the EPCG (7G) section at ACC, Sahar directs importers, exporters and brokers to submit SVB orders and any pending approvals to a constituted Special Task Force; the Commissionerate has published pending provisional assessment data from the EDI system, provided STF contact details, and established monthly joint meetings with SVB plus an awareness program to expedite finalization and EDI disposal.

GST registration application transfer protocol prescribes jurisdiction-based forwarding, nodal reporting, and State Admin coordination.
Transfer of GST registration applications is prescribed where applications or newly registered taxpayers appear in the login of an officer whose section does not have jurisdiction. Section Officers must identify the correct section, report such cases in the specified format, and forward cases relating to another circle to the concerned circle's Nodal Officer, who will consolidate the details and send them to the State Admin. Circles with only one section must send the information directly to the State Admin.

Customs jurisdiction realignment expands preventive commissioner's authority and transfers specified customs functions to Cochin.
Notifications redefine customs jurisdiction for the Thiruvananthapuram Zone, placing the Commissioner of Customs, Cochin and the Commissioner of Customs (Preventive), Cochin under the Chief Commissioner, with specified territorial coverage (ports, airports, SEZs, Lakshadweep, Mahe and maritime zones) and transfer of identified customs functions and administrative responsibilities from Central Tax & Central Excise to the Commissioner of Customs (Preventive), Cochin, effective 15.01.2018.

Manual processing of zero-rated supply refunds: prescribed forms, ARN debit proof, provisional and final sanction procedures.
Manual filing and processing of refund claims for zero-rated supplies is required until the portal refund module is available: exporters' shipping bills serve as refund applications for exported goods once export reports and valid returns are filed; other zero-rated refunds and claims for unutilised input tax credit must be filed using the prescribed refund form with a printout and supporting documents submitted to the jurisdictional proper officer, and amounts claimed for unutilised credit must be debited from the electronic credit ledger with proof of debit included in the manual submission.

Transition of customs functions to Customs Commissionerate Pune, covering export sealing, SEZ oversight and bonded warehouse duties, effective 15 January 2018.
The notice transfers Customs functions previously performed by Central Excise/GST officers to the Customs Commissionerate, Pune, centralising export procedures, sealing of containerized export cargo and related matters under the Commissioner of Customs, Pune. It enumerates transferred functions including SEZ oversight, factory stuffing, duty free and concessional imports, bonded warehouse licensing, EPCG installation certificates, recovery under the Customs Act, adjudication for SEZs and brand rate fixation; establishes Customs Divisions and Facilitation Ranges across specified districts; and makes the reorganisation effective 15th January 2018.

IGST refund helpdesk: updated officer assignments and contact points to facilitate status uploads and stakeholder queries.
Changes to the IGST refund helpdesk designate two venues with specified email and telephone contacts and named teams of officers responsible for receiving trade communications, assisting stakeholders, and monitoring the status of Shipping Bills with pending IGST refunds, while the office continues to upload refund status on its website.

Direct Port Delivery enables eligible importers to clear qualifying full-container imports from port terminals subject to advance compliance.
Direct Port Delivery permits eligible importers to take delivery of qualifying Full Cargo Load containers directly from port terminals. The facility requires advance filing of the Bill of Entry, delivery order, and duty payment, and applies principally to RMS-facilitated consignments not requiring assessment or examination. Importers must arrange trailers and remove containers within 48 hours of landing, failing which cargo may be transferred to a designated CFS for normal clearance. Damaged, tampered, non-RMS, or examination-required containers are cleared through the applicable CFS procedure.

Post-shipment amendment under Section 149 requires existing documentary evidence and departmental scrutiny before shipping bill conversion.
Amendment before LEO is processed by the Inspector and approved by the Appraising Officer/Superintendent after verification of documents under statutory amendment conditions; suspected evasion is referred to investigative officers. Post-shipment amendments require a documented application with supporting evidence, assignment of a file number, scrutiny by the Appraising Officer/Superintendent, issuance of a deficiency memo if needed, and final approval by the Assistant/Deputy Commissioner when documentary-evidence requirements are satisfied.

IGST refund facilitation: helpdesks established to resolve pending refund claims and system integration errors affecting sanctions.
Two IGST refund helpdesks have been established to assist exporters with pending IGST refund claims caused by systems and PFMS integration errors. EDI modules developed by the Directorate of Systems and Data Management provide Shipping Bill/IEC-wise status reports, enabling generation of successful scrolls and publication of Shipping Bill status on the Commissionerate website; designated officers and contact details for the Pipavav and Jamnagar helpdesks are provided for resolving processing errors.

Export/import application forms amended to reflect GST implementation and non issuance of EP copies by customs.
The DGFT has amended ANFs 4A, 4E, 4F, 4G, 4H and 4I (annexed to the Public Notice) to align Advance Authorisation, DFIA, Redemption/No Bond, GEM REP and related application procedures with GST implementation and with the non issuance of EP copies by Customs. Amendments standardise online filing with digital signature, required uploads (payment evidence, eBRC/FIRC, shipping bill or Customs signed Exporter Copy where EP copies are unavailable), CA/project authority certifications, and declarations on compliance, IEC updates and non penal status.

Out of scope certification: listed non food imports may be cleared without food safety endorsements, subject to other compliance.
Where imported goods match the enclosed non food descriptions and tariff headings and a bill of entry shows pending referral to the food safety authority, obtaining an out of scope endorsement is not mandatory; the Out of Charge officer shall not insist on such endorsement and may grant Out of Charge subject to other regulatory compliance, and the enclosed HS code list should be used to avoid future referrals.

Baggage clearance protocol: FCL containers of personal effects must be routed to the Unaccompanied Baggage Centre for examination.
Full container load consignments comprised only of passengers' personal effects must be delivered directly to the Unaccompanied Baggage Centre (Speedy CFS) for examination and clearance; LCL baggage will be examined by U.B. Centre officers at the CFS where it lies upon prior intimation. Stakeholders are directed to comply with the prescribed routing and examination regime and to contact the officer in charge of the U.B. Centre if difficulties arise.

Helpdesk for IGST refund established with contact details and venue for trade assistance and dedicated officer team.
The corrigendum inserts operational particulars for the Helpdesk for IGST Refund: venue, named team of officers with telephone contacts, and an email address to assist trade in resolving errors encountered while processing IGST refund claims; all other contents of the original Public Notice remain unchanged.