| Event Date | Act | Applicable Form | Obligation |
| 07/11/2018 | Income Tax | Form No.27C (TCS) | Submission of Forms received in Oct to IT Commissioner |
| 07/11/2018 | Income Tax | Challan No.ITNS-281 | Payment of TDS/TCS deducted/collected in Oct |
| 11/11/2018 | Goods and Service Tax | Form GSTR-1 | Return of Outward Supplies for Oct by Regular & Casual Suppliers. (Turnover exceed 1.50cr.) |
| 14/11/2018 | Income Tax | Form 16B | Issue of TDS certificate in case of payment /credit made in Sep for purchase of property u/s 194IA. |
| 14/11/2018 | Income Tax | Form 16C | Issue of TDS Certificate for tax deducted under Sec.194IB for the month of Sep |
| 20/11/2018 | Goods and Service Tax | Form GSTR-5 & 5A | Return of Inward & Outward Supplies for Oct. by Non-Resident foreign taxable person. |
| 20/11/2018 | Goods and Service Tax | GSTR - 3 B | GSTR Return Summary for October |
| 30/11/2018 | Income Tax | Form 26QB | Challan-cum-statement in respect of tax deducted under Sec.194IA for the month of Oct |
| 30/11/2018 | Income Tax | Form 26QB | Payment of TDS for Purchase of Property for Oct |
| 30/11/2018 | Income Tax | Form 26QC | Challan-cum-statement in respect of tax deducted under Sec.194IB for the month of Oct |