In Ethiopia, there are several tax declaration forms available for different types of taxes. Here are some of the commonly used tax declaration forms:

1. Form VAT 1: Value Added Tax (VAT) declaration form
2. Form VAT 2: VAT withholding tax declaration form
3. Form VAT 3: VAT exemption declaration form
4. Form VAT 4: VAT refund declaration form
5. Form VAT 5: VAT adjustment declaration form
6. Form TOT 1: Turnover Tax (TOT) declaration form
7. Form TOT 2: TOT withholding tax declaration form
8. Form TOT 3: TOT exemption declaration form
9. Form TOT 4: TOT refund declaration form
10. Form TOT 5: TOT adjustment declaration form
11. Form WHT 1: Withholding Tax (WHT) declaration form
12. Form WHT 2: WHT exemption declaration form
13. Form WHT 3: WHT refund declaration form
14. Form WHT 4: WHT adjustment declaration form
15. Form CIT 1: Corporate Income Tax (CIT) declaration form
16. Form PIT 1: Personal Income Tax (PIT) declaration form
17. Form SCT 1: Specific Excise Tax (SCT) declaration form

Please note that this list may not be exhaustive, and there might be additional tax declaration forms for specific industries or circumstances. It is always recommended to consult with the Ethiopian Revenue and Customs Authority (ERCA) or a tax professional for the most up-to-date information.