Here is the due date calendar to comply in the month of August 2026
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| Sr. No. | Form applicable | Return to be filed by | Periodicity | Due date in August 26 |
| 1 | GSTR-7 | Taxpayer required to Deduct Tax at Source (GST-TDS) | Monthly | 10.08.26 |
| 2 | GSTR-8 | Taxpayer required to Collect Tax at Source (GST-TCS) | Monthly | 10.08.26 |
| 3 | GST SRM-II | Manufacturers of Pan Masala and Tobacco products | Monthly | 10.08.26 |
| 4 | GSTR-1 | Regular Taxpayers having turnover more than 5 crores | Monthly | 11.08.26 |
| 5 | IFF (Invoice Furnishing Facility) | Taxpayers opted for QRMP Scheme to upload invoice monthly thru Invoice Furnishing Facility (IFF) | Monthly | 13.08.26 |
| 6 | GSTR-6 | Input Service Distributor (ISD) – distribution of common credit to branches | Monthly | 13.08.26 |
| 7 | GSTR-5 | Non-Resident Taxpayer | Monthly | 13.08.26 |
| 8 | GSTR-1A | Amendment of particulars furnished in GSTR-1 [after filing GSTR-1 till filing of GSTR-3B or due date of filing GSTR-3B] | Monthly | after filing GSTR-1 and before filing 3B |
| 9 | GSTR-3B | Taxpayers having turnover more than 5 crores | Monthly | 20.08.26 |
| 10 | GSTR-5A | OIDAR Service Provider | Monthly | 20.08.26 |
| 11 | PMT-06 for QRMP Scheme | Payment of GST by registered person opted to file return under QRMP scheme | Monthly | 25.08.26 |
| 12 | GSTR-11 | Statement of Inward supplies received by persons having Unique Identification Number (UIN) | Monthly | 28.08.26 |
| 13 | GSTR-3B under QRMP Scheme for specified states – Category 1 | Taxpayer opted for QRMP Scheme for specified states. Chhattisgarh, Madhya Pradesh, Gujarat, Maharashtra, Karnataka, Goa, Kerala, Tamil Nadu, Telangana, Andhra Pradesh, Daman & Diu and Dadra & Nagar Haveli, Puducherry, Andaman and Nicobar Islands, Lakshadweep | Quarterly | Not due in this month. For Q2 (July to Sept) it is due on 22.10.26) |
| 14 | GSTR-3B under QRMP Scheme for specified states – Category 2 | Taxpayer opted for QRMP Scheme for specified states Himachal Pradesh, Punjab, Uttarakhand, Haryana, Rajasthan, Uttar Pradesh, Bihar, Sikkim, Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, Meghalaya, Assam, West Bengal, Jharkhand, Odisha, Jammu and Kashmir, Ladakh, Chandigarh, Delhi | Quarterly | Not due in this month. For Q2 (July to Sept) it is due on 24.10.26) |
| 15 | GST CMP-08 | Payment by taxpayer opted for QRMP Composition Scheme | Quarterly | Not due in this month. For Q2 (July to Sept) it is due on 18.10.26) |
| 16 | GSTR-1 | Taxpayers having turnover less than 5 crores i.e. QRMP Scheme holder | Quarterly | Not due in this month. For Q2 (July to Sept) it is due on 13.10.26) |
Income tax
| Compliance | Nature of Compliance | Due Date |
| TDS Payment | depositing TDS (tax deducted at source) and TCS (Tax Collected at Source) for the month of July, 2026 | 07.08.2026 |
| Declaration in Form 127 | Uploading of declarations received in Form No. 127 (Income-tax Rules, 2026) from the buyer in the month of July, 2026 | 07.08.2026 |
| TDS Certificate in Form 132 | Issue of certificate in Form No. 132 (Income-tax Rules, 2026) under section 395(4) of the Income-tax Act 2025 for tax deducted at source under section 393(1) [Table Sl. No. 2(i), 3(i), 6(ii) & 8(vi)] of the Income-tax Act 2025 in the month of June, 2026 | 14.08.2026 |
| TDS Certificate in Form 131 | Issuance of TDS certificate in Form No. 131 (Income-tax Rules, 2026) for TDS other than on salary, pension or interest income of specified senior citizen under section 393(1) of the Income-tax Act, 2025 for the quarter ending June 30, 2026 | 15.08.2026 |
| Furnishing Form 137 | Due date for furnishing Form No. 137 (Income-tax Rules, 2026) by an office of the Government where TDS/TCS for the month of July, 2026 has been paid without the production of a challan | 15.08.2026 |
| Statement in Form 1 | Statement in Form 1 (Income-tax Rules, 2026) by the stock exchange for the month of July, 2026, in respect of transactions in which client codes have been modified after registering in the system. | 15.08.2026 |
| TCS Certificate in Form 133 | Issuance of TCS certificate in Form No. 133 (Income-tax Rules, 2026) under section 395(4) of the Income-tax Act, 2025 for tax collected at source for the quarter ending June 30, 2026 | 15.08.2026 |
| Submission of Challan-cum-Statement in Form 141 | Furnishing of challan-cum-statement in Form No. 141 (Income-tax Rules, 2026) in respect of deduction of tax under section 393(1) [Table Sl. No. 2(i), 3(i), 6(ii) & 8(vi)] of the Income-tax Act, 2025 for the month of July, 2026 | 30.08.2026 |
| Furnishing of statement in Form No. 10-EE | Furnishing of statement in Form No. 10-EE (Income-tax Rules, 1962) for exercising the option to claim relief under section 89A (Income-tax Act, 1961) for income arising from retirement benefit account maintained in a notified country at the time of withdrawal or redemption (if the assessee is required to submit the return of income on or before August 31, 2026) | 31.08.2025 |
| Furnishing of Form No. 10BBD | Furnishing of Form No. 10BBD (Income-tax Rules, 1962) reporting details of funds received from eligible persons, directly or through an Alternative Investment Fund, during the Previous Year 2025-26 (if the assessee is required to submit return of income on or before August 31, 2026) | 31.08.2026 |
| Furnishing of declaration in Form No. 10BA | Furnishing of declaration in Form No. 10BA (Income-tax Rules, 1962) by an assessee claiming deduction under Section 80GG (Income-tax Act, 1961) in respect of the rent paid for residential accommodation (if the assessee is required to submit the return of income on or before August 31, 2026) | 31.08.2026 |
| Furnishing the return of income for the Assessment Year 2026–27 | Due date for furnishing the return of income for the Assessment Year 2026–27 by the following assessees: • An assessee having income from business or profession whose accounts are not required to be audited, and to whom the provisions of Section 92E of the Income-tax Act, 1961 do not apply; and • A partner of a firm whose accounts are not required to be audited, or the spouse of such partner (where Section 5A of the Income-tax Act, 1961 applies), to whom the provisions of Section 92E of the Income-tax Act, 1961 do not apply. | 31.08.2026 |
| Furnishing of Form No. 10E | Furnishing of Form No. 10E (Income-tax Rules, 1962) by an employee claiming relief under section 89 (Income-tax Act, 1961) when salary is paid in arrears or in advance, etc. (if the assessee is required to submit the return of income on or before August 31, 2026) | 31.08.2026 |
| Furnishing of certificate in Form No. 10CCD | Furnishing of certificate in Form No. 10CCD (Income-tax Rules, 1962) by a resident individual being an author (including a joint author) claiming deduction under section 80QQB (Income-tax Act, 1961) in respect of royalty income (if the assessee is required to submit return of income on or before August 31, 2026) | 31.08.2026 |
| Furnishing of certificate in Form No. 10CCE | Furnishing of certificate in Form No. 10CCE (Income-tax Rules, 1962) by a resident individual being a patentee claiming deduction under section 80RRB (Income-tax Act, 1961) in respect of royalty income on patents (if the assessee is required to submit return of income on or before August 31, 2026) | 31.08.2026 |
| Furnishing of certificate of foreign inward remittance in Form No. 10H | Furnishing of certificate of foreign inward remittance in Form No. 10H (Income-tax Rules, 1962) by a resident individual being an author/patentee claiming deduction under Section 80QQB/80RRB (Income-tax Act, 1961) in respect of income earned from any source outside India (if the assessee is required to submit the return of income on or before August 31, 2026) | 31.08.2026 |
| Furnishing of the certificate in Form No. 10-IA | Furnishing of the certificate in Form No. 10-IA (Income-tax Rules, 1962) from the medical authority certifying ‘person with disability’, ‘severe disability’, ‘autism’, ‘cerebral palsy’ or ‘multiple disability’ for the purposes of sections 80DD and 80U (Income-tax Act, 1961). (If the assessee is required to furnish the return of income on or before August 31, 2026) | 31.08.2026 |
| Furnishing of Form No. 3CT | Furnishing of Form No. 3CT (Income-tax Rules, 1962) by the transferor of shares or interests in, a company or an entity that derives its value substantially from assets located in India, duly certified by an accountant for apportionment of income attributable to assets located in India (if the assessee is required to submit the return of income on or before August 31, 2026) | 31.08.2026 |
| Furnishing of statement in Form No. 3CFA | Furnishing of statement in Form No. 3CFA (Income-tax Rules, 1962) for exercising the option to pay tax at a concessional rate under section 115BBF (Income-tax Act, 1961) for income in the nature of royalty arising from patent developed and registered in India (if the assessee is required to submit return of income by August 31, 2026) | 31.08.2026 |
| Furnishing of Form No. 5C | Furnishing of Form No. 5C (Income-tax Rules, 1962) containing details of attribution of capital gain taxable under section 45(4) (Income-tax Act, 1961) to the capital asset remaining with the firm, AOP, or BOI after reconstitution (if the firm, AOP, or BOI is required to furnish the return of income on or before August 31, 2026) | 31.08.2026 |
| Application in Form No. 9A | Application in Form No. 9A (Income-tax Rules, 1962) for exercising the option available under Explanation to Section 11(1) (Income-tax Act, 1961) to apply income of previous year in the next year or in future (if the assessee is required to submit return of income on October 31, 2026). Note: The benefit of a deemed application will not be denied to a trust, even if Form No. 9A is not filed at least two months before the due date for filing the income tax return. However, Form 9A must be submitted on or before the due date for filing the return to avail of this benefit [Circular No. 6/2023, dated 24-5-2023] | 31.08.2026 |
| Statement in Form No. 10 | Statement in Form No. 10 (Income-tax Rules, 1962) to be furnished to accumulate income for future application under Section 10(21) or Section 11(1) (Income-tax Act, 1961) (if the assessee is required to submit return of income on October 31, 2026) Note: The benefit of accumulation will not be denied to a trust, even if Form 10 is not filed at least two months before the due date for filing the income tax return. However, Form 10 must be submitted on or before the due date for filing the return to avail of this benefit [Circular No. 6/2023, dated 24-5-2023] | 31.08.2026 |
Source: Income tax portal
Provident Fund
Nature | Due date | Due date |
| Provident Fund | The Provident Fund (PF) contribution and Electronic Challan-cum-Return (ECR) filing | 15.08.2026 |
Professional Tax
| State | Periodicity | Due date |
| Andhra Pradesh | Monthly | 10th |
| Assam | Monthly | 28th |
| Bihar | Annually | 30th November |
| Gujarat | Monthly | 15th |
| Jharkhand | Annually | 31stOctober |
| Karnataka | Monthly | 20th |
| Kerala | Half-yearly | 31st August & 28th February |
| Kolkata | Monthly | 21st |
| Madhya Pradesh | Monthly | 10th |
| Maharashtra | Monthly | 15th |
| Manipur | Annually | 30th March |
| Meghalaya | Monthly | 28th |
| Mizoram | Annually | 30th June |
| Pondicherry | Half-yearly | last day of each month |
| Odisha | Half-yearly | 30th June and 31st December |
| Sikkim | Quarterly | 31st July, 31st October, 31st January & and 30th April |
| Tamil Nadu | Half-yearly | 30th September and 31st March |
| Telangana | Monthly | 10th |
| West Bengal | Monthly | 21st |
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