What does rule 100 regulate?

It regulates assessment in certain cases. Read the exact text, conditions, exceptions and transaction date together.

Which subordinate law should be checked?

No direct CGST Rule has been certified in this phase. Notifications, circulars, forms and the corresponding SGST/UTGST layer may also apply.

What evidence should be retained?

Preserve the contract or transaction record, invoice or form, portal acknowledgement, payment/ledger evidence, correspondence, legal working and the official source version used.

Can portal behaviour override the statute?

No. Portal functionality is operational evidence; legal entitlement and liability remain controlled by the Act, Rules, notifications and binding decisions.

Rule 100 - Assessment in certain cases

CGST Rules, 2017

ACTIVECONSOLIDATED_BASE_WITH_CURRENT_CONTROLindex,follow

Source control: The text/status on this page is tied to the official source gateway and the Phase 1 legal-review register. Open official source.

Finin2min Summary - Rule in 2 Minutes

ASMT-13 covers non-filer assessment; ASMT-14/15 unregistered best judgment; ASMT-16 summary assessment; ASMT-17/18 withdrawal application/order.

Exact operative text

100. Assessment in certain cases.-(1) The order of assessment made under sub-section (1) of section 62 shall be issued in FORM GST ASMT-13 and a summary thereof shall be uploaded electronically in FORM GST DRC-07. (2) The proper officer shall issue a notice to a taxable person in accordance with the provisions of section 63 in FORM GST ASMT-14 containing the grounds on which the assessment is proposed to be made on best judgment basis and shall also serve a summary thereof electronically in FORM GST DRC-01, and after allowing a time of fifteen days to such person to furnish his reply, if any, pass an order in FORM GST ASMT-15 and summary thereof shall be uploaded electronically in FORM GST DRC-07. (3) The order of assessment under sub-section (1) of section 64 shall be issued in FORM GST ASMT-16 and a summary of the order shall be uploaded electronically in FORM GST DRC- 07. (4) The person referred to in sub-section (2) of section 64 may file an application for withdrawal of the assessment order in FORM GST ASMT-17. (5) The order of withdrawal or, as the case may be, rejection of the application under sub- section (2) of section 64 shall be issued in FORM GST ASMT-18.243 243 Substituted vide Notf No. 16/2019-CT dt.29.03.2019 wef 01.04.2019 for “100.Assessment in certain cases.(1) The order of assessment made under sub-section (1) of section 62 shall be issued in FORM GST ASMT-13. (2) The proper officer shall issue a notice to a taxable person in accordance with the provisions of section 63 in FORM GST ASMT-14 containing the grounds on which the assessment is proposed to be made on best judgment basis and after allowing a time of fifteen days to such person to furnish his reply, if any, pass an order in FORM GST ASMT-15. (3) The order of summary assessment under sub-section (1) of section 64 shall be issued in FORM GST ASMT- 16. (4) The person referred to in sub-section (2) of section 64 may file an application for withdrawal of the summary assessment order in FORM GST ASMT-17. (5) The order of withdrawal or, as the case may be, rejection of the application under sub-section (2) of section 64 shall be issued in FORM GST ASMT-18.”

Paragraph-wise decode

ASMT-13 covers non-filer assessment; ASMT-14/15 unregistered best judgment; ASMT-16 summary assessment; ASMT-17/18 withdrawal application/order.

Section-Rule-Form-Notification bridge

No direct Rule certified in Phase 1. Check notifications, circulars, forms and corresponding State law.

The mapping is a legal concordance, not a round-robin related-link list. It is limited to instruments certified in this phase.

Practical example

Apply the rule to the relevant form, period, portal event and evidence trail before reaching a compliance conclusion.

Professional alert

Verify the latest official active Rule page, amending Gazette and portal version before filing or advising.

Implementation checklist

Fix the transaction, taxable period and jurisdiction.
Read every subsection, proviso, explanation and omission marker.
Open the mapped Rule, form, notification and circular.
Test State/UT variation and portal version.
Preserve evidence, approvals, working papers and acknowledgements.
Record the conclusion, assumptions, source date and reviewer.

Evidence and retention checklist

Contract, purchase order, invoice or underlying transaction document.
Registration, return, ledger, challan and portal acknowledgement.
Official Act/Rule/notification version used and effective date.
Internal tax position paper, computation and management approval.
Correspondence, notices, replies, orders and appeal papers where applicable.

Practical Q&A

What does rule 100 regulate?: It regulates assessment in certain cases. Read the exact text, conditions, exceptions and transaction date together.
Which subordinate law should be checked?: No direct CGST Rule has been certified in this phase. Notifications, circulars, forms and the corresponding SGST/UTGST layer may also apply.
What evidence should be retained?: Preserve the contract or transaction record, invoice or form, portal acknowledgement, payment/ledger evidence, correspondence, legal working and the official source version used.
Can portal behaviour override the statute?: No. Portal functionality is operational evidence; legal entitlement and liability remain controlled by the Act, Rules, notifications and binding decisions.

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