| Illicit Sale of Liquor Act 1913 | 036 of 1913 (4 Geo. V No. 36) |  Official Version |  Word |  HTML | |
| Imperial Acts Adopting Act 1839 | 1839 (2 Vict. No. 1) | Official Version | Word | HTML | |
| Imperial Acts (Masters and Apprentices) Adopting Act 1873 | 1873 (37 Vict. No. 12) | Official Version | Word | HTML | |
| Income Tax Assessment Act 1937 | 013 of 1937 (1 & 2 Geo. VI No. 13) | Official Version | Word | HTML | |
| Indecent Publications Act 1902 | 1902 (2 Edw. VII No. 14) | Official Version | Word | HTML | |
| Indecent Publications and Articles Act 1902 | 1902 (2 Edw. VII No. 14) | Official Version | Word | HTML | |
| Industrial and Commercial Employees' Housing Act 1973 | 063 of 1973 | Official Version | Word | HTML | |
| Industrial Arbitration Act 1912 | 057 of 1912 (3 Geo. V No. 38) | Official Version | Word | HTML | |
| Industrial Development (Kwinana Area) Act 1952 | 002 of 1952 (1 Eliz. II No. 2) | Official Version | Word | HTML | |
| Industrial Development (Resumption of Land) Act 1945 | 049 of 1945 (9 & 10 Geo. VI No. 49) | Official Version | Word | HTML | |
| Industrial Lands Development Authority Act 1966 | 060 of 1966 | Official Version | Word | HTML | |
| Industrial Lands (Maddington) Agreement Act 1964 | 089 of 1964 (13 Eliz. II No. 89) | Official Version | Word | HTML | |
| Industrial Training Act 1975 | 095 of 1975 | Official Version | Word | HTML | |
| Industries Assistance Act 1915 | 027 of 1915 (5 Geo. V No. 54) | Official Version | Word | HTML | |
| Industry (Advances) Act 1947 | 053 of 1947 (11 & 12 Geo. VI No. 53) | Official Version | Word | HTML | |
| Inebriates Act 1912 | 047 of 1912 (3 Geo. V No. 28) | Official Version | Word | HTML | |
| Inquiry Agents Licensing Act 1954 | 011 of 1954 (3 Eliz. II No. 11) | Official Version | Word | HTML | |
| Inspection of Machinery Act 1921 | 011 of 1922 (12 Geo. V No. 45) | Official Version | Word | HTML | |
| Inspection of Scaffolding Act 1924 | 039 of 1924 (15 Geo. V No. 39) | Official Version | Word | HTML | |
| Interpretation Act 1918 | 030 of 1918 (9 Geo. V No. 20) | Official Version | Word | HTML | |
| Inventions Act 1975 | 056 of 1975 | Official Version | Word | HTML | |
| Iron and Steel (Mid West) Agreement Act 1997 | 010 of 1997 | Official Version | Word | HTML | |
| Iron Ore - Direct Reduced Iron (BHP) Agreement Act 1996 | 005 of 1996 | Official Version | Word | HTML | |
| Iron Ore Beneficiation (BHP) Agreement Act 1996 | 004 of 1996 | Official Version | Word | HTML | |
| Iron Ore (Dampier Mining Company Limited) Agreement Act 1969 | 078 of 1969 | Official Version | Word | HTML | |
| Iron Ore Processing (BHP Minerals) Agreement Act 1994 | 030 of 1994 | Official Version | Word | HTML | |
| Iron Ore (The Broken Hill Proprietary Company Limited) Agreement Act 1964 | 103 of 1964 (13 Eliz. II No. 103) | Official Version | Word | HTML | |
| Irrigation (Dunham River) Agreement Act 1968 | 060 of 1968 | Official Version | Word | HTML | |
