| AY | Assessment Year |
| FY | Financial Year |
| ITR | Income Tax Return |
| TDS | Tax Deducted at Source |
| TCS | Tax Collected at Source |
| HUF | Hindu Undivided Family |
| AOP | Association of Persons |
| BOI | Body of Individuals |
| LLP | Limited Liability Partnership |
| MAT | Minimum Alternate Tax |
| AMT | Alternate Minimum Tax |
| TP | Transfer Pricing |
| QRMP | Quarterly Return Monthly Payment |
| SFT | Statement of Financial Transactions |
| EL | Equalization Levy |
| NR | Non-Resident |
| DDO | Drawing & Disbursing Officer |
| CbCR | Country-by-Country Report |
| TRACES | TDS Reconciliation Analysis and Correction Enabling System |