| Event Date | Act | Applicable Form | Obligation |
| 07/07/2018 | Income Tax | Challan No.ITNS-281 | Payment of TDS/TCS deducted/collected in June |
| 07/07/2018 | Income Tax | Form No.27C (TCS) | Submission of Forms received in June to IT Commissioner |
| 10/07/2018 | Goods and Services Tax | GSTR-1 | Monthly Return of Outward Suppliers for Jun . |
| 15/07/2018 | Income Tax | Form 15CC | Statement by Banks etc. in respect of foreign remittances during June quarter. |
| 15/07/2018 | Income Tax | Form 27EQ | TCS Returns by ALL Collectors |
| 15/07/2018 | Income Tax | Form 15G/H | E-filing of form 15G/H received during June Quarter |
| 15/07/2018 | Providend Fund | Electronic Challan cum Return (ECR) | E-Payment of PF for June |
| 15/07/2018 | ESI | ESI Challan | Payment of ESI for June Applicable for Salary upto Rs. 21,000 instead of 15,000 earlier) |
| 18/07/2018 | Goods and Services Tax | GSTR-4 | Quarterly Return of Outward Suppliers by Composition Supplier for Apr-Jun |
| 20/07/2018 | Goods and Services Tax | GSTR -3B | GSTR Return Summary for June |
| 30/07/2018 | Income Tax | Form 27D | Issue TCS Certificates by Collectors for quarter ended June |
| 31/07/2018 | Income Tax | Return No.24Q, 26Q & 27Q | TDS returns for June Quarter by ALL deductors |
| 31/07/2018 | Income Tax | Form No. 26QAA | Returns by banks for interest upto Rs.10,000 for June quarter |
| 31/07/2018 | Maharastra Profession Tax | MTR-6/Form IIIB | Payment & Monthly Return of Maharastra PT (Annual Liability 50000 or more) |
| 31/07/2018 | Income Tax | Form No. ITR-1,2,3,4 | Filing of I.T. Returns by Individuals , HUF (without Audit) |
| 31/07/2018 | Income Tax | Form No ITR.-5 | Filing of I.T. return by Firms,AOPs, BOIs (without audit) |
| 31/07/2018 | Income Tax | Form No ITR.-7 | Filing of I.T. Return by Trusts, Political party etc.(without audit) |
| 31/07/2018 | Goods and Services Tax | GSTR-6 | Furnishing of Return by Input Service Distributor for the months from Jul 2017 to June 2018 |
| 31/07/2018 | Goods and Services Tax | GSTR-1 | Quarterly Return of Outward Suppliers for Apr-Jun |