1. Sheria yaMabadilikoya Pili Katika Katiba yaNchi, 1980
  2. The Tanzania Livestock Research Organization Act, 1980
  3. The Tanzania Agricultural Research Organization Act, 1980
  4. The Serengeti Wildlife Research Institute Act, 1980
  5. The Tanzania Forestry Research Institute Act, 1980
  6. The Tanzania Fisheries Research Institute Act, 1980
  7. The National Museum of Tanzania Act, 1980 (281)
  8.  The Institute of Rural Development Planning Act, 1980
  9. The Business Licensing (Amendment) Act, 1980
  10. The Ministers (Discharge of Ministerial Functions) Act, 1980 (299)
  11. The Law Reform Commission of Tanzania Act, 1980 (171)       
  12. The Income Tax (Amendment) Act, 1980
  13. The Permanent Commission of Enquiry (Amendment) Act, 1980
  14. The Penal Code (Amendment) Act, 1980
  15. The Written Laws (Miscellaneous Amendment) Act, 1980
  16. The Supplementary Appropriation Act, 1979 No. 1 1 (For  Financial Year 1979/80) Act, 1980
  17.  The Inquests Act, 1980 (24)
  18. The Regulation of Trade Act, 1980
  19. The Evidence (Amendment) Act, 1980
  20. The Supplementary Appropriation (For Financial Year
  21. The Merchant Shipping (Amendment) Act, 1980
  22. The Institute of Development Management (Amendment) Act,
  23. The Tanzania Engineering and Manufacturing Design Organization Act,
  24. The Appropriation Act, 1980
  25. The Finance Act, 1980
  26. The Presidential Affairs (Amendment) Act, 1980
  27. The Petroleum (Exploration and Production) Act, 1980 (328)
  28. Sheria yaMabadilikoya Tatu Katika Katiba yaNchi, 1980
  29. The Pensions Laws (Miscellaneous Amendments) Act, 1980
  30. The Regulation of Wages and Terms of Employment (Amendment) (Validation) Act, 1980.