Updated to 21 July 2022 (Act No. 10 of 2022 and S.I. No. 301 of 2022)
Warning: Only amendments made since 1 January 1972 are completely recorded.
| SI Year and Number 1923 | Title | How Affected | Affecting Provision |
| 4001 | The Increase of Rent and Mortgage Interest (Restrictions) Rules 1923 | Construction of references to "sanitary authority" | 50/2013, ss. 1(3), 6, 7(4) |
| 4002 | Government of Dispensary Districts | Construction of references to "sanitary authority" | 50/2013, ss. 1(3), 6, 7(4) |