Text
The text below is the rule as served by the CBIC tax information portal on 17 September 2026, with the portal's own amendment footnote markers (shown as small numerals before a bracket) and its footnotes.[1] The Rules as published in the Gazette of India is the legal source.
Rule 127, verbatim (show)
Rule 127. 3[Functions] of the Authority. -
4[The authority shall discharge the following functions, namely:-]
(i) to determine whether any reduction in the rate of tax on any supply of goods or services or the benefit of input tax credit has been passed on to the recipient by way of commensurate reduction in prices;
(ii) to identify the registered person who has Not passed on the benefit of reduction in the rate of tax on supply of goods or services or the benefit of input tax credit to the recipient by way of commensurate reduction in prices;
(iii) to order, (a) reduction in prices;
(b) return to the recipient, an amount equivalent to the amount Not passed on by way of commensurate reduction in prices along with interest at the rate of eighteen percent. from the date of collection of the higher amount till the date of the return of such amount or recovery of the amount Not returned, as the case may be, in case the eligible person does Not claim return of the amount or is Not identifiable, and depositing the same in the Fund referred to in section 57;
(c) imposition of penalty as specified in the Act; and (d) cancellation of registration under the Act.
1[(iv) to furnish a performance report to the Council by the tenth 2[day] of the close of each quarter.]
1. Inserted vide Notification No. 34/2017 -CT dated 15.09.2017.
2. Inserted vide Notification No. 14/2018-CT dated 23.03.2018.
3. Substituted (w.e.f. 01.12.2022) for "Duties" vide Notification No. 24/2022-CT dated 23.11.2022.
4. Substituted (w.e.f. 01.12.2022) for "It shall be the duty of the Authority,-" vide Notification No. 24/2022-CT dated 23.11.2022.
Questions to answer on the file
Questions a reviewer answers from the engagement file, grouped by the part of the rule they come from. They describe what the rule asks; they do not decide it.
Positive passing-on criterion with recorded determination 127(i)
Questions to answer on the file6 questions
Identification of person not passing benefit 127(ii)
Questions to answer on the file2 questions
Price reduction direction 127(iii)(a)
Questions to answer on the file2 questions
Return amount and interest direction 127(iii)(b)
Questions to answer on the file8 questions
Unclaimed or unidentifiable recipient Fund route 127(iii)(b)
Questions to answer on the file4 questions
Penalty direction 127(iii)(c)
Questions to answer on the file2 questions
Cancellation direction 127(iii)(d)
Questions to answer on the file2 questions
Quarterly performance report 127(iv)
Questions to answer on the file4 questions
Authority determination function 127(i)
Questions to answer on the file2 questions
Amendment history
The CBIC text carries 4 footnotes. The table gives each in the source's own terms. Effective dates are as the footnotes state them.[1]
| Note | Change |
|---|---|
| 1 | Inserted vide Notification No. 34/2017 -CT dated 15.09.2017.[2] |
| 2 | Inserted vide Notification No. 14/2018-CT dated 23.03.2018.[3] |
| 3 | Substituted (w.e.f. 01.12.2022) for "Duties" vide Notification No. 24/2022-CT dated 23.11.2022.[4] |
| 4 | Substituted (w.e.f. 01.12.2022) for "It shall be the duty of the Authority,-" vide Notification No. 24/2022-CT dated 23.11.2022.[4] |
Relationship with other provisions
| Provision | Connection | Words that tie them |
|---|---|---|
| Section 171 of the CGST Act, 2017 | this provision requires Section 171 of the CGST Act, 2017 | 127(i) "commensurate reduction in prices" |
| Section 57 of the CGST Act, 2017 | this provision requires Section 57 of the CGST Act, 2017 | 127(iii)(b) "Fund referred to in section 57" |
| Section 29 of the CGST Act, 2017 | this provision requires Section 29 of the CGST Act, 2017 | 127(iii)(d) "cancellation of registration under the Act" |
Circulars and notifications
Circulars and notifications in the CBIC repository that cite this rule, newest first, by number, date and subject. A listing here does not say what an instrument decides; read the instrument.
Notifications (3)
| Number | Date | Subject |
|---|---|---|
| Notification No. 24/2022-Central Tax | 23 November 2022 | Seeks to make fourth amendment (2022) to CGST Rules with effect from 01.12.2022. |
| Notification No. 14/2018-Central Tax | 23 March 2018 | Amending the CGST Rules, 2017(Third Amendment Rules, 2018). |
| Notification No. 34/2017-Central Tax | 15 September 2017 | Seventh amendment to the CGST Rules, 2017. |
Unsettled questions
The words of Rule 127 do not answer these questions. Where one decides a matter on the file, the answer depends on the position taken on it.
- At what supply or recipient level and over what period is commensurate reduction tested?
- What time basis, day-count denominator and rounding apply to the eighteen-percent interest in Rules 127 and133 where the rule does not state them?
See also
- Section 171 of the CGST Act, 2017: anti-profiteering measure
- Section 57 of the CGST Act, 2017: consumer Welfare Fund
- Section 29 of the CGST Act, 2017: cancellation or suspension of registration
References
- Central Board of Indirect Taxes and Customs. "Rule 127. Functions of the Authority". Central Goods and Services Tax Rules, 2017, CBIC tax information portal, with amendment footnotes 1 to 4. Retrieved 17 September 2026.
- Notification No. 34/2017-Central Tax, dated 15 September 2017: Seventh amendment to the CGST Rules, 2017. Cited in CBIC footnote 1.
- Notification No. 14/2018-Central Tax, dated 23 March 2018: Amending the CGST Rules, 2017(Third Amendment Rules, 2018). Cited in CBIC footnote 2.
- Notification No. 24/2022-Central Tax, dated 23 November 2022: Seeks to make fourth amendment (2022) to CGST Rules with effect from 01.12.2022. Cited in CBIC footnotes 3 and 4.
External links
- CGST Rules, 2017, Rule 127 on the CBIC tax information portal