| Due Date |
Due Date Details |
| 31-05-2026 | Quarterly statement of TDS deposited for the quarter ending March 31, 2026 |
| 31-05-2026 | World No Tobacco Day |
| 31-05-2026 | Return of tax deduction from contributions paid by the trustees of an approved superannuation fund? |
| 31-05-2026 | Furnishing of the certificate from a Chartered Accountant specifying the amount invested in each year by the company or fund making application under Section 2(48) (Income-tax Act 1961) for notification of zero-coupon bond |
| 31-05-2026 | Due date for furnishing of statement of financial transaction (in Form No. 61A) as required to be furnished under sub-section (1) of section 285BA of the Act respect for financial year 2025-26 |
| 31-05-2026 | Due date for e-filing of annual statement of reportable accounts as required to be furnished under section 285BA(1)(k) (in Form No. 61B) for calendar year 2025 by reporting financial institutions? |
| 31-05-2026 | Application for allotment of PAN where a persons total income exceeds the maximum amount not chargeable to income-tax during any Financial Year and no PAN has been allotted to him. |
| 31-05-2026 | Application for allotment of PAN in case of person being managing director, director, partner, trustee, author, founder, karta, chief executive officer, principal officer or office bearer of the person referred to in prescribed Rule or any person competent? |
| 31-05-2026 | Application in Form 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 or before July 31, 2026) |
| 31-05-2026 | 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 or before July 31, 2026) |
| 31-05-2026 | Statement of donation in Form 10BD (Income-tax Rules, 1962) to be furnished by reporting person under Section 80G(5)(iii) or section Section 35(1A)(i)? (Income-tax Act 1961) in respect of the financial year 2025-26? |
| 31-05-2026 | Certificate of donation in Form no. 10BE (Income-tax Rules, 1962) as referred to in Section 80G(5)(ix) or Section 35(1A)(ii) (Income-tax Act 1961) to the donor specifying the amount of donation received during the financial year 2025-26.? |
| 30-05-2026 | Issue of TCS certificates for the 4th Quarter of the Financial Year 2025-26 |
| 30-05-2026 | GST ITC 03 must be filed by taxpayers who are obligated to pay an amount which is equivalent to the Input Tax Credit (ITC) by means of an electronic credit or cash ledger. The payments, on the accounts of ITC, could be on the basis of:
Input held in stock.
Input contained in semi-finished goods or finished goods held in stock.
Capital goods or Plant and Machinery held in stock. |
| 30-05-2026 | Form PAS-6 is a half-yearly Reconciliation of Share Capital Audit Report form. It needs to be submitted by the unlisted public companies to the Registrar of Companies (ROC). |
| 30-05-2026 | Form LLP 11 is an Annual Return of an LLP that needs to be filed within the period of 60 days from the end of a Financial Year. |
| 30-05-2026 | Submission of a statement (in Form No. 49C) by non-resident having a liaison office in India for the financial year 2025-26 |
| 30-05-2026 | Challan-cum-statement of deduction of tax under section 393(1) of the Income-tax Act 2025 [Table Sl. No. 2(i), 3(i), 6(ii) & 8(vi) in the month of April, 2026 |
| 25-05-2026 | PMT-06 is a challan used for making payment of tax, interest, late fee and penalty under the GST law by taxpayers who have opted for the quarterly filing of GSTR-3B under the QRMP scheme |
| 25-05-2026 | Ganga Dussehra |
| 21-05-2026 | National Anti-Terrorism Day |
| 20-05-2026 | Summary of outward taxable supplies and tax payable by a person supplying OIDAR services |
| 20-05-2026 | Summary of outward supplies, ITC claimed, and net tax payable for taxpayers with turnover more than Rs.5 crore in the last FY or have not chosen the QRMP scheme for the quarter of Apr - Jun, 26 |
| 16-05-2026 | Sikkim State Day |
| 16-05-2026 | Vat Savitri Vrat |
| 15-05-2026 | As per section 43B(h) of income tax act any entity which is needed to pay for the purchase of goods or services from any MSME unit should pay within 15 days of receipt of invoices (in case of no written agreement) and in case of written agreement the timeline specified in the agreement, provided that this period does not exceed 45 days from the date of acceptance or deemed acceptance of the goods or services. |
| 15-05-2026 | Quarterly statement of TCS deposited for the quarter ending March 31, 2026 |
| 15-05-2026 | PF deducted from the Employees salary in the month of April, 26, needs to be paid on or before 15th of May, 2026
The payment of ESIC is made by every employer to the ESIC department on a monthly basis. The due date for ESIC is 15th May, 2026 |
| 15-05-2026 | Due date for issue of TDS Certificate for tax deducted under section 194-IA, 194-IB, 194M and (Income-tax Act, 1961) in the month of March, 2026 |
| 15-05-2026 | ?Due date for furnishing of Form 24G (Income-tax Rules, 1962) by an office of the Government where TDS/TCS for the month of April, 2026 has been paid without the production of a challan |
| 13-05-2026 | GSTR 6 is a monthly return for Input Service Distributors (ISD) to provide the details of their inward supplies & distributed Input Tax Credit (ITC). |
| 13-05-2026 | Invoice Furnishing is an optional facility which enables the small registered person, furnishing the quarterly Form GSTR-1, to file their invoice details on monthly basis. |
| 13-05-2026 | Summary of outward taxable supplies and tax payable by a
non-resident taxable person |
| 11-05-2026 | Summary of outward supplies where turnover exceeds Rs.5 crore or have not chosen the QRMP scheme for the quarter of Apr - Jun, 26 |
| 11-05-2026 | National Technology Day |
| 10-05-2026 | Summary of Tax Deducted at Source (TDS) and deposited under GST
laws for the month of April, 2026 |
| 10-05-2026 | Summary of Tax Collected at Source (TCS) and deposited by e-commerce operators under GST laws for the month of April, 2026 |
| 10-05-2026 | Mothers Day |
| 09-05-2026 | Maharana Pratap Jayanti |
| 07-05-2026 | Due date for deposit of Tax deducted/collected for the month of April, 2026. However, all sum deducted/collected by an office of the government shall be paid to the credit of the Central Government on the same day where tax is paid without production of an Income-tax Challan |
| 07-05-2026 | Rabindranath Tagore Jayanti |
| 03-05-2026 | World Laughter Day |
| 01-05-2026 | Gujarat Day |
| 01-05-2026 | Buddha Purnima |
| 01-05-2026 | Maharashtra Day |
| 01-05-2026 | International Labours Day |
