| Abbreviation | Definition |
|---|---|
| DCTO | Dallas County Tax Office |
| DCTO | Deputy Commercial Tax Officer |
| DCTR | Discretionary Council Tax Reduction |
| DDTP | Deep Discount Tax Preparation |
| DESP | Deferred Employee Share Plan |
| DETL | Disqualified Employment Tax Levy |
| DETR | discounted effective tax rate |
| DGST | Director General Service Tax |
| DGST | Directorate General of Service Tax |
| DITC | Department for International Tax Cooperation |
| DITN | Distribution of Income Tax Noncompliance |
| DITS | Deloitte International Tax Source |
| DLTL | Drawback of Local Tax and Levies |
| DLTL | Drawback of Local Taxes and Levies |
| DOPT | Denver Occupational Privilege Tax |
| DT | Direct Taxation |
| DTA | Department of Tax Administration |
| DTA | Division of Tax Appeals |
| DTA | Double Taxation Agreement |
| DTAA | Double Tax Avoidance Agreement |