Changes in GST from 1st April 2021 You Must Know
New HSN/ SAC Requirements from 1st April, 2021:
HSN/ SAC Code Requirement for Tax Invoices:
A new amendment made vide Notification No. 78/2020- Central Tax Dated 15/12/2020 requires mentioning of HSN/ SAC codes on tax invoices as prescribed below:
- For taxpayers having turnover up-to Rs. 5 crore:
Particulars | HSN/ SAC Digits |
Supplies made to registered persons | 4 |
Supplies made to unregistered persons | NIL |
- For taxpayers having turnover more than Rs. 5 crore:
Particulars | HSN/ SAC Digits |
Supplies made to registered persons | 6 |
Supplies made to unregistered persons | 6 |
- For exporters:
Particulars | HSN/ SAC Digits |
Supplies made to registered persons | 8 |
Supplies made to unregistered persons | 8 |
- All the tax invoices should contain HSN/ SAC digits, description of goods and tax rates specifically for better transparency and avoid any future litigations.
- While taking ITC on purchases and other expenses, kindly verify that supplier has mentioned HSN/ SAC code in invoice as required. If HSN/ SAC Code is not mentioned in invoice, then ITC will not be available.
- Penalty for non-compliance of the provisions is up-to Rs. 50,000 as per Section 125 of the CGST Act.
- 49 chemicals as notified vide Notification No. 90/2020- Central Tax Dated 01/12/2020 have to be mandatorily shown under 8 Digits. These are annexed as under:
S. No. | Chemical name | HSN Code |
1 | Mixture of (5-ethyl-2-methyl-2-oxido-1,3,2- dioxaphosphinan-5-yl) methyl methyl methylphosphonate (CAS RN 41203-81-0) and Bis [(5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)methyl] methylphosphonate (CAS RN42595-45-9) | 38249100 |
2 | Dimethyl propylphosphonate | 29313200 |
3 | (5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methy lmethy l methy l phosphonate | 29313600 |
4 | Bis[(5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)methyl ] methy l phosphonate | 29313700 |
5 | 2,4,6-Tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide | 29313500 |
6 | Dimethyl methylphosphonate | 29313100 |
7 | Diethyl ethylphosphonate | 29313300 |
8 | Methylphosphonic acid with ( aminoiminomethyl) urea ( 1: 1) | 29313800 |
9 | Sodium 3-(trihydroxysilyl) propyl methylphosphonate | 29313400 |
10 | 2,2-Diphenyl-2-hydroxyacetic acid | 29181700 |
11 | 2-(N,N-Diisopropylamino) hydrochloride | 29211400 |
12 | 2-(N,N-Dimethylamino) ethylchloride hydrochloride | 29211200 |
13 | 2-(N,N-Diethylamino) ethylchloride hydrochloride | 29211300 |
14 | 2-(N,N-Diisopropylamino) ethanol | 29221800 |
15 | 2-(N,N-Diethylamino) ethanethiol | 29306000 |
16 | Bis (2-hydroxyethyl) sulfide | 29307000 |
17 | 2-(N,N-Dimethylamino) ethanethiol | 29309092 |
18 | Product from the reaction of Methylphosphonic acid and l,3,5-Triazine-2,4,6- triamine | As applicable |
19 | 3-Quinuclidinol | 29333930 |
20 | R-(- )-3-Quinuclidinol | 29333930 |
21 | 3,9-Dimethyl-2,4,8,10-tetraoxa-3,9-diphosphaspiro [5.5] undecane 3,9- dioxide | 29313900 |
22 | Propylphosphonic dichloride | 29313900 |
23 | Methylphosphonic dichloride | 29313900 |
24 | Diphenyl methylphosphonate | 29313900 |
25 | O-(3-chloropropyl)O-[4-nitro-3-(trifluoromethyl)phenyl] methylphosphonothionate | 29313900 |
26 | Methylphosphonic acid | 29313900 |
27 | Product from the reaction of methylphosphonic acid and 1,2-ethanediamine | As applicable |
28 | Phosphonic acid, methyl-, polyglycol ester (Exolit OP 560 TP) | 38249900 |
29 | Phosphonic acid, methyl-, polyglycol ester (Exolit OP 560) | 38249900 |
30 | Bis (polyoxyethylene) methylphosphonate | 39072090 |
31 | Poly(1,3-phenylene methyl phosphonate) | 39119090 |
32 | Dimethylmethylphosphonate, polymer with oxirane and phosphorus oxide | 38249900 |
33. | Carbonyl dichloride | 28121100 |
34. | Cyanogen chloride | 28531000 |
35. | Hydrogen cyanide | 28111200 |
36. | Trichloronitromethane | 29049100 |
37. | Phosphorus oxychloride | 28121200 |
38. | Phosphorus trichloride | 28121300 |
39. | Phosphorus pentachloride | 28121400 |
40. | Trimethyl phosphite | 29202300 |
41. | Triethyl phosphite | 29202400 |
42. | Dimethyl phosphite | 29202100 |
43. | Diethyl phosphite | 29202200 |
44. | Sulfur monochloride | 28121500 |
45. | Sulfur dichloride | 28121600 |
46. | Thionyl chloride | 28121700 |
47. | Ethyldiethanolamine | 29221720 |
48. | Methyldiethanolamine | 29221710 |
49. | Triethanolamine | 29221500 |
HSN/ SAC Code Requirement for GSTR-1:
- Column “Total Value” to be removed from Table-12 (HSN wise summary of outward supplies) of Form GSTR-1.
- A new entry “Rate of Tax” to be inserted in place of Column “Total Value”. Thus, HSN code to be reported Rate Wise.
- Changes in reporting of number of digit of HSN/ SAC code as per Notification No. 78/2020- Central Tax and 79/2020- Central Tax Dated 15/10/2020.
Following images twitted by GSTN is showing all these changes which are attached below:


New E-Invoice Requirements from 1st April, 2021:
Vide Notification No. 05/2021- Central Tax Dated 08/03/2021, the CBIC has reduced turnover eligibility for E-invoicing from Rs. 100 Crore to Rs. 50 Crore. The new provisions will be in force from 1st April, 2021.
The copy of Notification is attached as under:


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