The Electoral Boundaries Readjustment Act first came about in 1964 and has undergone several amendments since.
- Representation Commissioner Act, 1963 S.C. 1963, c. 40.
- The Electoral Boundaries Readjustment Act, S.C. 1964, c.31.
- The Electoral Boundaries Readjustment Act, S.C. 1974, c. 10.
- Representation Act S.C., 1974, c. 13.
- EBRA Amendment Act, 1975 23-24 Elizabeth II, c. 25.
- Government Organization Act, S.C. 1979, c. 13.
- Representation Act, S.C. 1986, c. 8.
- Electoral Boundaries Readjustment Act, R.S. 1986, c. 6 (2nd Supplement).
- Electoral Boundaries Readjustment Act, R.S. 1988, c. 1 (4th Supplement).
- Representation Order, 1996 Amendment Act, S.C. 1996, c.35. (pages 1, 2, and 3)
- Canada Elections Act Amendment, S.C. 2000, c. 9, at s. 559.
- The Representation Order, 2003 Act, S.C. 2004, c. 1.
- Fair Representation Act, S.C. 2011, c. 26.
- Fair Elections Act, S.C. 2014, c. 12.
- Preserving Provincial Representation Act, S.C. 2022, c. 6.
The consolidation of EBRA currently says:
Parliament has also changed the names of federal electoral districts in some decades.