| S. D. Bandaranaike Foundation (Incorporation) Act, No. 3 of 2004 | |
| S. W. R. D. Bandaranaike National Memorial Foundation Law | |
| Saweera Foundation (Incorporation) Act, No 29 of 2024 | |
| SAARC Regional Convention on Suppression of Terrorism Act, No. 70 of 1988 | |
| Sadaham Mithuru Samuluwa. (Incorporation) Act. No, 28 of 1992 | |
| Safeguard Measures Act, No. 3 of 2018 | |
| Sahanoda Foundation ( Incorporation) Act. No. 20 of 2000 | |
| Saint Thomas’ College Board of Governors Ordinance | |
| Saiva Paripalana Sabhai Ordinance | |
| Sale of Goods Ordinance | |
| Sales Tax Act | |
| Salihiya Thaikka (Incorporation) Act, No. 32 of 1998 | |
| SALT – Repealed and Replaced by Mines And Minerals Act 33 of 1992 | |
| Salvation Army Ordinance | |
| Samadhi Community Development Foundation (Incorporation) Act, No. 13 of 2024 | |
| Samaja Sahana Padanama (Incorporation) | |
| Samastha Lanka Shasanarakshaka Mandalaya (Incorporation) Act, No. 16 of 2014 | |
| Samastha Lanka International Development Association (Incorporation) Act, No. 5 of 2007 | |
| Sambuddha Jayanthi Chaitya Trust Act | |
| Samurdhi Authority of Sri Lanka Act, No.30 of 1995 | |
| Sammanthurai Thableekul Islam Arabic College (Incorporation) | |
| Sannases and Old Deeds Ordinance | |
| Sarana Buddhist (Relief) Foundation (Incorporation) | |
| Sareeram Sri Lanka National Foundation (Incorporation) Act, No.1 of 1999 | |
| Sarvodaya Trust Fund for the Advancement of Humanity, Development and Peace (Incorporation) Act, No. 31 of 1984 | |
| Saumyamoorthi Thondaman Memorial Foundation Act, No. 19 of 2005 | |
| Save the Nation Contribution Act, No. 5 of 1996 | |
| Savings Certificates Ordinance | |
| Saweera Foundation (Incorporation) | |
| School Development Boards Act No. 8 of 1993 | |
School Teachers Pension Act 32/2008 : School Teachers Pension (Amendment) Not updated | |
Science and Technology Development Act, No.11 of 1994 32/2013 : Science and Technology Development (Amendment) Not updated | |
| Seamen’s Welfare Fund Act, No. 24 of 1984 | |
| Second Amendment to the Constitution | |
| Secretary to the Treasury (Nomination of Representative) Act, No. 15 of 2010 | |
Secured Transactions Act, No 49 of 2009 17/2024 : Secured Transactions (Amendment) Not updated | |
| Securities and Exchange Commission of Sri Lanka Act, No 19 of 2021 | |
Securities and Exchange Commission of Sri Lanka Act, No. 36 of 1987 47/2009 : Securities and Exchange Commission of Sri Lanka (Amendment) Not updated | |
| Seed Act, No. 22 of 2003 | |
| Seethawaka Maniyangama Rajamaha Viharastha Sanwardhana Sabhawa (Incorporation) | |
| Senkadagala Eksath Bauddha Mandalaya (Incorporation) Act | |
| Serendib Educational Foundation (Incorporation) | |
| Serendib Foundation (Incorporation) Act, No. 12 of 1991 | |
| Serendip Sufi Study Circle | |
| Servants of the Buddha ( Incorporation) Act, No. 48 of 1991 | |
| Service Contracts Ordinance | |
| Service Contracts Ordinance | |
| Service Praveni Lands Succession Ordinance | |
| Service Tenures Ordinance | |
| Servicemen (Collection and Disposal of Specified Property) Act | |
| Settlement of Debts Law, No, 27 of 1975 | |
| Seva Vanitha Movement Short of Sri Lanka (Incorporation) Act, No. 10 of 1987 | |
| Sex Disqualification Removal (Legal Profession) Ordinance | |
| Shaili Educational Foundation (Incorporation) Act, No. 40 of 2024 | |
| Shantha Children’s Education Services Foundation (Incorporation) | |
| Shop and Office Employees (Regulation of Employment and Remuneration) Act | |
| Short Titles (Numeration) Ordinance | |
Shrarna Vasana Fund Act, No. 12 of 1998 Shrama Vasana Fund (Amendment) Not updated | |
| Sigiriya Heritage Foundation Act, No. 62 of 1998 | |
| Silk and Allied Products Development Law | |
| Silkworm Seed Law | |
| Sinhala Welenda Mandalaya Ordinance | |
Sir John Kotelawala Defence Academy Act, No. 68 of 1981 50/2007 : Sir John Kotelawala Defence Academy (Amendment) Not updated | |
| Sir Razik Fareed Foundation (Incorporation) Act, No. 44 of 1982 | |
| Siraj Arabic College, Oddamavadi (Incorporation) | |
| SIRI ANURADHAPURA BASTIAN PILGRIMS REST – Repealed and Replaced by Sri Anuradhapura Bastian Pilgrims Rest Managemnt Society(Repeal) Act, No. 40 of 1986 | |
| Siriniwes Prajamithra Sahayogitha Kendraya (Incorporation) | |
| Sisira Jayakody Siyapatha Foundation (Incorporation) | |
| Sivali Vidyalaya, Ratnapura, Board of Governors Ordinance | |
| Sivmuni Se Vehera Buddhist Foundation (Incorporation) | |
| Small Claims Courts’ Procedure Act, No. 33 of 2022 | |
| SMALL TENEMENTS (Repealed) | |
| Social Security Benefit Scheme for Media Personnel Act, No. 29 of 2006 | |
Social Security Contribution levy Act, No. 25 of 2022 15/2024 : Social Security Contribution Levy (Amendment) Not updated 15/2023 : Social Security Contribution Levy (Amendment) Not updated | |
| Social Service Foundation of Wickramashila Dharmayathenaya – Bandaragama | |
| Societies Ordinance | |
| Society of Structural Engineers of Sri Lanka (Incorporation) | |
| Society of the Apostolic Church of Sri Lanka (Incorporation) Act, No. 6 of 1991 | |
| Society of the Ceylonese Brother’s of St. Joseph | |
| Soil Conservation Act | |
| Southern Development Authority of Sri Lanka Act, No. 18 of 1996 | |
| Special Allowances of Workers Law | |
| Special Areas (Colombo) Development Ordinance | |
| Special Areas (Colombo) Development Ordinance | |
Special Commodity Levy Act, No 48 of 2007 12/2014 : Special Commodity Levy (Amendment) Not updated | |
| Special Educational Society (Incorporation) Act, No. 3 of 1999 | |
| Special Fund (Voluntary Contributions for Charitable Purposes) Act | |
| Special Presidential Commissions of Inquiry Law | |
| Special Presidential Commissions of Inquiry Law, No. 7 of 1978 | |
| Special Stamps Act | |
| Specified Certificates of Deposits (Tax and other Concessions) Act, No. 45 of 1990 | |
| Sports Law | |
| Sree Narayana Guru Society of Sri Lanka Act | |
| Sri Balabhivurdhi Wardana Samithiya (Incorporation) Act, No. 12 of 2024 | |
| Sri Bodhiraja Foundation (Incorporation) Act, No. 30 of 1993 | |
| Sri Dhammalankara Social Services | |
| Sri Gangathilaka Maha Viharastha Sasanaraksaka Samithiya (Incorporation) Act, No. 3 of 2000 | |
| Sri Jayewardenepura General Hospital Board Act, No, 54 of 1983 | |
| Sri Jayewardenepura Pitakotte Eksath Avamangalliyadhara (Shavakruththiyadhara) Samithiya (Incorporation) Act, No. 23 of 1988 | |
| Sri Kalyani Eksath Bauddha Sangamaya (Incorporation) Act, No. 60 of 1992 | |
| Sri Kalyanodaya Society | |
| Sri Lanka Accounting and Auditing Standards Act, No. 15 of 1995 | |
| Sri Lanka Accreditation Board for Conformity Assessment Act, No. 32 of 2005 | |
| Sri Lanka Association of Professional Social Workers (Incorporation) | |
| Sri Lanka Association for the Advancement of Science Act | |
| Sri Lanka Atomic Energy Act, No.40 of 2014 | |
Sri Lanka Baptist Sangamaya Ordinance 11/2024 : Sri Lanka Baptist Sangamaya (Incorporation) (Amendment) Not updated | |
| Sri Lanka Broadcasting Corporation (Special Provisions) Act, No. 8 of 1996 | |
| Sri Lanka Broadcasting Corporation Act | |
| Sri Lanka Buddhist Vihara Devala Foundation (Incorporation) | |
| Sri Lanka Bureau of foreign Employment Act, No. 21 of 1985 | |
| Sri Lanka Campus Crusade for Christ (Incorporation) Act, No, 25 of 1981 | |
| Sri Lanka Cancer Society (Incorporation) Act, No. 10 of 1997 | |
Sri Lanka Chamber of Small Industry (Incorporation) Act, No. 43 of 1981 01/2010 : Sri Lanka Chamber of Small Industry (Incorporation) (Amend.) Not updated | |
| Sri Lanka Coinage Ordinance | |
| Sri Lanka Council for Agricultural Research Policy Act, No. 47 of 1987 | |
| Sri Lanka Council of Archaeologists (Incorporation) Act. No. 4 of 1992 | |
| Sri Lanka Disaster Management Act, No. 13 of 2005 | |
| Sri Lanka Economic Association | |
| Sri Lanka Electricity Act, No. 36 of 2024 | |
| Sri Lanka Energy Managers’ Association (Incorporation) Act. No. 1 of 1994 | |
| Sri Lanka Ex-Servicemen’s Association Law | |
| Sri Lanka Ex-Servicemen’s Institute Law | |
| Sri Lanka Export Credit Insurance Corporation Act | |
| Sri Lanka Export Development Act | |
| Sri Lanka Eye Foundation (Incorporation) Act, No. 26 of 1990 | |
| Sri Lanka Federation of the Visually Handicapped (Incorporation) Act, No. 4 of 2007 | |
| Sri Lanka Federation of University Women (Incorporation) Act, No. 12 of 1985 | |
| Sri Lanka Foundation Law | |
| Sri Lanka Fruit Board Law | |
| Sri Lanka Historical Association (Incorporation) Act, No. 26 of 1998 | |
Sri Lanka Institute of Advanced Technological Education Act, No. 29 of 1995 25/2006 :Â Sri Lanka Institute of Advanced Technical Education (Amendment) Not updated | |
| Sri Lanka Institute of Architects Law | |
| Sri Lanka Institute Of Co-operative Management – (Repealed By Sri Lanka Institute of Co-operative Management (Repeal) Act, No. 6 of 2004) | |
| Sri Lanka Institute of Credit Management (Incorporation) Act, No. 7 of 2000 | |
| Sri Lanka Institute of Development Administration Act, No. 9 of 1982 | |
| Sri Lanka Institute of Interior Designers (Incorporation) Act, No. 2 of 1998 | |
| Sri Lanka Institute of Landscape Architects Act, No. 33 of 2009 | |
| Sri Lanka Institute of Local Governance Act. No. 31 of 1999 | |
| Sri Lanka Institute of Marketing (Incorporation) Act | |
| Sri Lanka Institute of Printing Act, No. 18 of 1984 | |
Sri Lanka Institute of Strategic Studies Act, No. 45 of 2000 32/2006 : Sri Lanka Institute of Strategic Studies (Amendment) Not updated | |
Sri Lanka Institute of Taxation (Incorporation) Act, No. 21 of 2000 13/2023 : Sri Lanka Institute of Taxation (Incorporation) (Amendment) Not updated | |
| Sri Lanka Inventors Incentives Act | |
| Sri Lanka Islamic Centre Incorporation) Act. No. 2 of 1991 | |
| Sri Lanka Islamic Renaissance Movement Association (Incorporation) Act, No. 17 of 1992 | |
| Sri Lanka Judges’ Institute Act, No. 46 of 1985 | |
Sri Lanka Land Development Corporation Act 13/2021 : Sri Lanka Land Development Corporation (Amendment) Not updated | |
Sri Lanka Land Reclamation and Development Corporation Act 11/2019 : Sri Lanka Land Reclamation and Development Corporation (Amendment) Not updated | |
| Sri Lanka Library Association (Incorporation) Law | |
| Sri Lanka National Commission for UNESCO | |
| Sri Lanka Malay Association Rupee Fund (Incorporation) Law | |
| Sri Lanka Malay Association Rupee Fund (Incorporation) Law, No. 37 of 1978 | |
| Sri Lanka National Commission for UNESCO Act, No. 38 of 2024 | |
| Sri Lanka-Nippon Educational and Cultural Centre (Incorporation) | |
| Sri Lanka Nurses Council Act, No. 19 of 1988 | |
| Sri Lanka Ports Authority (Special Provisions) Act, No. 36 of 1990 | |
| Sri Lanka Ports Authority Act | |
| Sri Lanka Press Council Law | |
| Sri Lanka Railways Authority Act, No, 60 of 1993 | |
Sri Lanka Rupavahini Corporation Act, No. 6 of 1982 26/2022 : Sri Lanka Rupavahini Corporation (Amendment) Not updated | |
| Sri Lanka Sahitya Mandalaya Act | |
| Sri Lanka Samata Setha Foundation (Incorporation) | |
| Sri Lanka Samodaya Foundation (Incorporation) Act, No. 36 of 1985 | |
| Sri Lanka Social Security Board Act, No. 17 of 1996 | |
| Sri Lanka Society for Numismatic Studies Act, No. 39 of 1998 | |
| Â Sri Lanka Society for the Prevention of cruelty to Animals (Incorporation) | |
| Sri Lanka Standards short title. Institution Act, No. 6 of 1984 | |
| Sri Lanka State Plantations Corporation Act | |
| Sri Lanka State Trading Corporations Act | |
| Sri Lanka Sumithrayo (Incorporation) Act, No. 10 of 1986 | |
| Sri Lanka Sustainable Development Act, No. 19 of 2017 | |
| Sri Lanka Sustainable Energy Authority Act, No. 35 of 2007 | |
| Sri Lanka Tea Board Law | |
| Sri Lanka Telecommunications Act | |
Sri Lanka Transport Board Act, No. 27 of 2005 39/2008 : Sri lanka Transport Board (Amendment) Not updated | |
| Sri Lanka United Malay Organisation (Incorporation) Act, No. 17 of 1986 | |
| Sri Lanka Working Journalists’ Association (Incorporation) Act, No. 46 of 1987 | |
| Sri Narada Bauddha Madhyasthana Vihara Sanwardana Sabhawa (Incorporation) Act, No. 1 of 2003 | |
| Sri Punniyawardhana Samithiya of Matale Act | |
| Sri Punyodaya Samitiya (Incorporation) Act, No. 33 of 1986 | |
| Sri Rathnajothi Community Development and Social Foundation (Incorporation) | |
| Sri Sarananda Development Foundation (Incorporation) Act, No. 06 of 2007 | |
| Sri Sarananda Foundation (Incorporation) Act, No. 49 of 1998 | |
| Sri Saranankara Development Foundation (Incorporation) | |
| Sri Shakyasinharama Viharastha Karyasadhaka Sanvidanaya (Incorporation) Act, No. 15 of 2022 | |
| Sri Subodharama Sasana Seva Samithiya (Incorporation) Act, No. 61 of 1992 | |
| Sri Sugatha Community Development Foundation (Incorporation) Act, No. 27 of 1992 | |
| Sri Sumangala Schools Board of Management Ordinance | |
| Sri Sunethra Mahadevi Piriven Rajamaha Vihara Sasana Development Society (Incorporation) Act. No. 22 of 2000 | |
| Sri Tax Law (Sections 1 to 6 of the Finance Law, No. 47 of 1973 | |
| Stamp Duty Act, No. 43 of 1982 | |
| Stamp Duty (Special Provisions) Act, No. 12 of 2006 (Consolidated) | |
| Stamp Ordinance | |
| State (Liability In Delict) Ac | |
| State Agricultural Corporations Act | |
| State Debtors Ordinance | |
| State Film Corporation Act, No. 47 of 1971 | |
| STATE GEM CORPORATION – Repealed and Replaced by the National Gem And Jewellery Authority Act, No 50 of 1993 | |
| State Industrial Corporations Act | |
| State Land (Claims) Ordinance | |
| State Landmarks Ordinance | |
| State Lands (Recovery of Possession) Act | |
| State Lands Encroachments Ordinance | |
| State Lands Ordinance | |
| State Mortgage and Investment Bank Law | |
| State Printing Corporation Act | |
| Statistics Ordinance | |
| Statutory. Reprints Ordinance | |
| Stock Act | |
Strategic Development Projects Act, No. 14 of 2008 16/2013 : Strategic Development Projects (Amendment) Not updated 12/2011 : Strategic Development Projects (Amendment) Not updated | |
| Street Collections Regulation Ordinance | |
| Students (Higher Education) Loan Fund Act | |
| Suburban Dairies and Laundries Ordinance | |
| Sufi Study Circle Law | |
| Sugarcane Research Institute Act, No. 75 of 1981 | |
Sugathadasa National Sports Complex Authority Act, No. 17 of 1999 14/2017 : Sugathadasa National Sports Complex Authority (Amendment) Not updated | |
| Sukhitha Subasadhaka Sangamaya (Incorporation) Act, No. 28 of 1984 | |
| Superior Courts Complex Board of Management Act, No. 50 of 1987 | |
| Superior Major of the Silvestro-Benedictine Congregation in Sri Lanka (Incorporation) Act, No. 41 of 1981 | |
| Supplementary Allowance of Workers Act | |
| Suppression of Terrorist Bombings Act, No. 11 of 1999 | |
| Suppression of Unlawful Acts against the Safety of Maritime Navigation Act, No. 42 of 2000 | |
| Suppression of Unlawful Acts of Violence at Airports Serving International Civil Aviation Act, No. 31 of 1996 | |
| SUPREME COURT (VACATION’S) (Repealed) | |
| Supreme Court Appeals (Special Provisions) Act, No. 4 of 1960(Repealed) | |
| Surcharge on Income Tax Act, No, 7 of 1989 | |
| Surcharge on Wealth Tax Act, No. 25 of 1982 | |
| Survey Act. No 17 of 2002 | |
| Surveyors Ordinance (Repelaed) | |
| Surveyors’ Institute of Sri Lanka (Incorporation) Act, No. 22 of 1982 | |
| Suwa Sahana Sewa Foundation (Incorporation)Act, No. 54 of 1992 | |
| Suwasetha Social Service Association (Incorporation) Act, No. 58 of 2000 | |
| 1990 Suwaseriya Foundation Act, No. 18 of 2018 | |