Bills debated for more than 20 hours

Native Title Amendment Bill 1997 (longest Senate debate on single bill) Native Title Amendment Bill 1997 [No. 2]	56 hrs 08 mins 49 hrs 48 mins	105 hrs 56 mins
A New Tax System (Goods and Services Tax) Bill 1998 and 26 related bills		68 hrs 54 mins
Carbon Pollution Reduction Scheme Bill 2009 and 10 related bills Carbon Pollution Reduction Scheme Bill 2009 [No. 2] and 10 related bills	14 hrs 19 mins 49 hrs 25 mins	63 hrs 44 mins
Native Title Bill 1993		51 hrs 49 mins
Workplace Relations and Other Legislation Amendment Bill 1996		48 hrs 24 mins
Appropriation (Parliamentary Departments) Bill 1992-93 Appropriation Bills (No. 1) and (No. 2) 1992-93		40 hrs 20 mins
Commonwealth Electoral Amendment Bill 2016		39 hrs 04 mins
Research Involving Human Embryos Bill 2002		36 hrs 01 min
ATSIC Amendment (Indigenous Land Corporation and Land Fund) Bill 1994		35 hrs 40 mins
US Free Trade Agreement Implementation Bill 2004 US Free Trade Agreement Implementation (Customs Tariff) Bill 2004		34 hrs 45 mins
Clean Energy Bill 2011 and 17 related bills		32 hrs 44 mins
Workplace Relations Amendment (Work Choices) Bill 2005		32 hrs 09 mins
Political Broadcasts and Political Disclosures Bill 1991		31 hrs 51 mins
Telstra (Dilution of Public Ownership) Bill 1996		31 hrs 26 mins
Industrial Relations Reform Bill 1993 Industrial Relations Court (Judges Remuneration) Bill 1993		27 hrs 32 mins
Northern Territory National Emergency Response Bill 2007 and 4 related bills		27 hrs 26 mins
Marriage Amendment (Definition and Religious Freedoms) Bill 2017		26 hrs 35 mins
Fair Work Bill 2008		26 hrs 30 mins
Regional Forest Agreements Bill 1998		25 hrs 09 mins
Appropriation (Nation Building and Jobs) Bill (No. 1) 2008-2009 Appropriation (Nation Building and Jobs) Bill (No. 2) 2008-2009 Household Stimulus Package Bill 2009 Tax Bonus for Working Australians Bill 2009 Tax Bonus for Working Australians (Consequential Amendments) Bill 2009 Commonwealth Inscribed Stock Amendment Bill 2009		25 hrs 01 min
Gene Technology Bill 2000 Gene Technology (Consequential Amendments) Bill 2000 Gene Technology (Licence Charges) Bill 2000		24 hrs 36 mins
Regional Forest Agreements Bill 2002		24 hrs 35 mins
Security Legislation Amendment (Terrorism) Bill 2002 [No. 2] Suppression of the Financing of Terrorism Bill 2002 Criminal Code Amendment (Suppression of Terrorist Bombings) Bill 2002 Border Security Legislation Amendment Bill 2002 Telecommunications Interception Legislation Amendment Bill 2002		24 hrs 31 mins
Constitution Alteration (Aboriginal and Torres Strait Islander Voice) 2023		24 hrs 09 mins
Defence Legislation Amendment (Aid to Civilian Authorities) Bill 2000		23 hrs 31 mins
Telstra (Transition to Full Private Ownership) Bill 1998		22 hrs 56 mins
Telecommunications Bill 1996 and 12 related bills		22 hrs 25 mins
Clean Energy Legislation (Carbon Tax Repeal) Bill 2013 and 8 related bills		21 hrs 35 mins
Telecommunications Legislation Amendment (Competition and Consumer Safeguards) Bill 2010		20 hrs 53 mins