| Abbreviation | Definition |
|---|---|
| EPART | Electronic Permit Audit Registration and Tax |
| EPTC | Education Property Tax Credit |
| EPTI | Export Performance Taxation Incentive |
| ERTC | Employee Retention Tax Credit |
| ESTATE | Ensuring Seniors Take Advantage of Tax Elimination |
| ETAF | European Tax Adviser Federation |
| ETCA | electronic Tax Credit Application |
| ETCB | Estonian Tax and Customs Board |
| ETD | Energy Taxation Directive |
| ETF | extra tax frustrations |
| ETIP | Estate Tax Inclusion Period |
| ETLA | Electronic Tax Law Assistance |
| ETPI | Education Tax Policy Institute |
| ETR | Effective Tax Rate |
| ETR | Exchange On Tax Rulings |
| ETRR | Electronic Tax Return Reader |
| ETRR | Estate Tax Repeal Rider |
| ETWG | Environmental Taxes Working Group |
| ETWG | Eukaryotic Taxonomy Working Group |
| EVEBITDA | (Enterprise Value)/( Earning Before Interest, Taxes, Depreciation and Amortization.) |