| 1983 — 25th November |
9. Industry and Trade | Department of Industry, Department of Trade | 11 | 3 |
|
9. Industry and Trade | Department of Industry, Department of Trade | 11 | 3- 11. Trade and Industry | Department of Trade and Industry | 11 | 3
|
| 1990 — 21st February |
11. Trade and Industry | Department of Trade and Industry | 11 | 3 |
|
11. Trade and Industry | Department of Trade and Industry | 11 | 3- 12. Trade and Industry | Department of Trade and Industry | 11 | 3
|
| 1991 — 26th June |
12. Trade and Industry | Department of Trade and Industry | 11 | 3 |
|
12. Trade and Industry | Department of Trade and Industry | 11 | 3- 12 Trade and Industry | Department of Trade and Industry | 11 | 3
|
| 1991 — 8th November |
12 Trade and Industry | Department of Trade and Industry | 11 | 3 |
|
12 Trade and Industry | Department of Trade and Industry | 11 | 3- 13 Trade and Industry | Department of Trade and Industry | 11 | 3
|
| 1994 — 12th July |
13 Trade and Industry | Department of Trade and Industry | 11 | 3 |
|
13 Trade and Industry | Department of Trade and Industry | 11 | 3- 14 Trade and Industry | Department of Trade and Industry | 11 | 3
|
| 1995 — 6th November |
14 Trade and Industry | Department of Trade and Industry | 11 | 3 |
|
14 Trade and Industry | Department of Trade and Industry | 11 | 3- 14 Trade and Industry | Department of Trade and Industry (but excluding the Office of Science and Technology) | 11 | 3
|
| 2001 — 2nd May |
14 Trade and Industry | Department of Trade and Industry (but excluding the Office of Science and Technology) | 11 | 3 |
|
14 Trade and Industry | Department of Trade and Industry (but excluding the Office of Science and Technology) | 11 | 3- 12 Trade and Industry | Department of Trade and Industry (but excluding the Office of Science and Technology) | 11
|
| 2002 — 14th May |
12 Trade and Industry | Department of Trade and Industry (but excluding the Office of Science and Technology) | 11 |
|
12 Trade and Industry | Department of Trade and Industry (but excluding the Office of Science and Technology) | 11- 13 Trade and Industry | Department of Trade and Industry (but excluding the Office of Science and Technology) | 11
|
| 2003 — 23rd January |
13 Trade and Industry | Department of Trade and Industry (but excluding the Office of Science and Technology) | 11 |
|
13 Trade and Industry | Department of Trade and Industry (but excluding the Office of Science and Technology) | 11- 14 Trade and Industry | Department of Trade and Industry (but excluding the Office of Science and Technology) | 11
|
| 2005 — 26th January |
14 Trade and Industry | Department of Trade and Industry (but excluding the Office of Science and Technology) | 11 |
|
14 Trade and Industry | Department of Trade and Industry (but excluding the Office of Science and Technology) | 11- 14 Trade and Industry | Department of Trade and Industry (but excluding the Office of Science and Technology) | 14
|
| 2005 — 13th July |
14 Trade and Industry | Department of Trade and Industry (but excluding the Office of Science and Technology) | 14 |