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HomeHSNChapter 73HSN 7325 99 93

Plates and frames for sewage water or similar system

Cast iron manhole covers, frames and gratings for drainage systems

BIS QCO APPLICABLE · ISI MARK SCHEME · IS 1726 · SIMS OVERLAY

HSN 7325 99 93 (plates and frames for sewage water or similar systems) is covered by a Bureau of Indian Standards Quality Control Order. Conformity to IS 1726:1991 is mandatory under the ISI Mark Scheme with effect from 1 September 2024, by virtue of the Cast Iron Products (Quality Control) Order, 2024. Steel Import Monitoring System registration administered by the Directorate General of Foreign Trade applies as a separate customs-clearance overlay.

What this is
HSN code
7325 99 93
Chapter
73 · Articles of iron or steel
BIS QCO
Applicable · ISI Mark Scheme · CM/L required
Indian Standard
IS 1726:1991 · effective 01-09-2024
Applicable Partner Government Agencies
BISBIS·Bureau of Indian Standards
SIMSSIMS·Steel Import Monitoring System

Procedural directions for customs clearance are issued by: Directorate General of Foreign Trade.

Compliance steps
  1. 1
    Source only from a Bureau of Indian Standards CM/L-licensed manufacturer holding a current licence against IS 1726:1991 for cast iron manhole covers and frames. Verify the supplier's CM/L number, licensed product scope, load class, and manufacturing facility address on the BIS online register before placing the purchase order.
    Cast Iron Products (Quality Control) Order, 2024 · S.O. 2287(E) dated 13-06-2024
  2. 2
    Ensure every cover and frame bears the ISI mark and the supplier's CM/L number per Scheme-I of Schedule-II to the BIS (Conformity Assessment) Regulations, 2018. The marking must appear on the casting itself, not on packaging alone.
    Scheme-I of Schedule-II to the BIS (Conformity Assessment) Regulations, 2018 · Cast Iron Products (Quality Control) Order, 2024
  3. 3
    Register the consignment on the Steel Import Monitoring System portal not earlier than 60 days before the expected arrival date. Fee ₹500, registration valid for 75 days from issue; the registration must remain within validity on the date of arrival.
    DGFT Notification 33/2015-20 dated 28-09-2020 · DGFT Notification 28/2023 dated 28-08-2023
  4. 4
    Quote both the supplier's BIS CM/L number and the SIMS registration number on the bill of entry. Customs verifies the CM/L against the BIS register and the SIMS number against the DGFT portal in real time; either being absent, expired, or scope-mismatched triggers consignment detention.
    ITC (HS) policy condition 2 of Chapter 73 · BIS Act, 2016 · Customs Act, 1962
  5. 5
    If the consignment is a re-import for packaging purposes only, or an SEZ-to-DTA movement without value addition, document the SIMS exemption basis. Note that neither carve-out waives the BIS QCO obligation — the ISI-marked product requirement under IS 1726:1991 continues to apply.
    DGFT Policy Circular 38/2015-20 dated 19-01-2022
A word of counsel

The most common error on this tariff line is treating the phased small- and micro-enterprise enforcement dates as a general grace period. The 1 September 2024 enforcement date applies to standard importers; the deferred dates of 1 December 2024 (small enterprises) and 1 March 2025 (micro enterprises) apply only to the manufacturer's enterprise classification, not to the importer's. An importer sourcing from a large or medium manufacturer after 1 September 2024 without a valid CM/L triggers detention regardless of the importer's own enterprise status.

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Frequently asked
Does HSN 7325 99 93 require BIS certification?
Yes. Cast iron manhole covers and frames under this tariff line must conform to IS 1726:1991 under the ISI Mark Scheme, with effect from 1 September 2024, by virtue of the Cast Iron Products (Quality Control) Order, 2024 notified under S.O. 2287(E).
Is SIMS registration required separately from BIS QCO compliance?
Yes. Steel Import Monitoring System registration is administered by the Directorate General of Foreign Trade and is independent of the BIS QCO obligation. Fee ₹500, validity 75 days, apply no earlier than 60 days before the expected arrival date.
Do the phased enforcement dates allow imports without BIS CM/L after 1 September 2024?
No. The phased dates — 1 December 2024 for small enterprises and 1 March 2025 for micro enterprises — refer to the manufacturer's enterprise classification. Imports from manufacturers not qualifying for those exemptions require a valid CM/L from 1 September 2024.
Does a single CM/L licence cover all cover and frame variants from the same manufacturer?
No. The CM/L is scope-specific by load class, size, and manufacturing facility; covers or frames outside the licensed scope, or produced at an unlicensed plant, are not covered and customs will detain the consignment on a scope mismatch.
Last verified against gazette notifications: 2026-05-18. Source: BIS / SIMS / DGFT / Indian Customs CUSDATA.
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