- 01/1981 : Parliamentary Elections
- 02/1981 : Presidential Elections (Special Provisions)
- 03/1981 : Institute of Supply and Materials Management, Sri Lanka
- 04/1981 : Consular Functions
- 05/1981 : Partition (Amendment)
- 06/1981 : Transport Board (Amendment)
- 07/1981 : Referendum
- 08/1981 : Government Quarters (Recovery of Possession) (Amendment)
- 09/1981 : Licensing of Shipping Agents (Amendment)
- 10/1981 : Municipal Councils and Urban Councils (Amendment)
- 11/1981 : Registration of Persons (Amendment)
- 12/1981 : Tax Reserve Certificates (Amendment)
- 13/1981 : National Health Development Fund
- 14/1981 : Land Reform (Amendment)
- 15/1981 : Presidential Elections
- 16/1981 : Census (Amendment)
- 17/1981 : Parliamentary Commissioner for Administration
- 18/1981 : Buddhist Temporalities (Amendment)
- 19/1981 : Ceylon Institute of Scientific and Industrial Research (Amendment)
- 20/1981 : Development Councils Elections
- 21/1981 : Motor Traffic (Amendment)
- 22/1981 : Air Navigation (Amendment)
- 26/1981 : Employees Provident Fund (Amendment)
- 27/1981 : Land Development (Amendment)
- 29/1981 : Agrarian Research and Training Institute (Amendment)
- 30/1981 : National Archives (Amendment)
- 31/1981 : Surcharge on Income Tax
- 32/1981 : Resthouses (Amendment)
- 33/1981 : Municipal Councils (Amendment)
- 34/1981 : Sri Lanka Foundation (Amendment)
- 35/1981 : Associated Newspapers of Ceylon Limited (Special Provisions) (Amendment)
- 36/1981 : Civil Law (Amendment)
- 37/1981 : Finance (Amendment)
- 38/1981 : Credit Councils (Amendment)
- 39/1981 : Land Reform (Special Provisions)
- 40/1981 : Inland Revenue (Amendment)
- 42/1981 : Buddhist Temporalities (Amendment)
- 44/1981 : Widows’ and Orphans’ Pension Fund (Amendment)
- 45/1981 : Development Councils (Amendment)
- 47/1981 : Indo – Ceylon Agreement (Implementation) (Amendment)
- 48/1981 : S.W.R.D Bandaranaike National Memorial Foundation (Special Provisions)
- 49/1981 : National Housing (Amendment)
- 50/1981 : Firearms (Amendment)
- 51/1981 : State Printing Corporation (Amendment)
- 52/1981 : Maternity Benefits (Amendment)
- 53/1981 : Shop and Office Employees (Regulation of Employment and Remuneration) (Amendment)
- 54/1981 : National Aquatic Resources Research and Development Agency
- 55/1981 : Institute of Fundamental Studies, Sri Lanka
- 56/1981 : Ratnapura District Welfare Fund (Board of Trustees)
- 57/1981 : Coast Conservation
- 58/1981 : State Lands (Recovery of Possession) (Amendment)
- 59/1981 : Marine Pollution Prevention
- 60/1981 : Butchers (Amendment)
- 61/1981 : Municipal Councils and Urban Councils (Amendment)
- 62/1981 : State Mortgage and Investment Bank (Amendment)
- 63/1981 : Guides (Amendment)
- 64/1981 : State Gem Corporation (Amendment)
- 65/1981 : Assisted Schools and Training Colleges (Special Provisions) (Amendment)
- 66/1981 : Mahapola Higher Education Scholarship Trust Fund
- 67/1981 : Sri Lanka State Trading Corporations (Amendment)
- 68/1981 : Sir John Kotelawala Defence Academy
- 69/1981 : Turnover Tax
- 71/1981 : Judicature (Amendment)
- 72/1981 : Allowances to Plantation Workers
- 73/1981 : Road Development Authority
- 74/1981 : Buddhist and Pali University of Sri Lanka
- 75/1981 : Sugarcane Research Institute
- 76/1981 : National Institute of Plantation Management (Amendment)
- 77/1981 : Appropriation
- 78/1981 : National Resources, Energy and Science Authority of Sri Lanka
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