| Class | From Sub | To Sub | Order No. | Action | Date |
|---|---|---|---|---|---|
D21 | 1 | 141 | 671 | Established | 1979-Mar-21 |
D21 | 1 | 255 | 1688 | Abolished | 1998-Apr-07 |
D21 | 141.1 |
| 1331 | Established | 1990-Apr-03 |
D21 | 142 | 255 | 671 | Established | 1979-Mar-21 |
D21 | 300 | 840 | 1688 | Established | 1998-Apr-07 |
D21 | 799 |
| 1773 | Abolished | 2000-Dec-05 |
D21 | 799.1 | 799.2 | 1773 | Established | 2000-Dec-05 |
D21 | 900 |
| 1688 | Established | 1998-Apr-07 |
D22 | 100 | 150 | 1049 | Established | 1986-Jul-01 |
D22 | 199 |
| 1049 | Established | 1986-Jul-01 |
D22 | ALL |
| 1049 | Abolished | 1986-Jul-01 |
D23 | 71.1 | 71.2 | 952 | Established | 1984-Sep-06 |
D23 | 138.1 |
| 518 | Established | 1976-Apr-20 |
D23 | 138.2 | 138.5 | 871 | Established | 1982-Dec-02 |
D23 | 200 | 422 | 1137 | Established | 1987-Oct-06 |
D23 | 211.1 | 211.2 | 1853 | Established | 2006-Jan-03 |
D23 | 280 | 282 | 1500 | Abolished | 1994-Aug-02 |
D23 | 280.1 | 280.4 | 1500 | Established | 1994-Aug-02 |
D23 | 293 | 294 | 1500 | Abolished | 1994-Aug-02 |
D23 | 293.1 |
| 1500 | Established | 1994-Aug-02 |
D23 | 499 |
| 1137 | Established | 1987-Oct-06 |
D23 | ALL |
| 1137 | Abolished | 1987-Oct-06 |
D24 | 1.1 | 67 | 576 | Established | 1977-Feb-15 |
D24 | 1.1 | 99 | 1374 | Abolished | 1991-May-07 |
D24 | 68 |
| 713 | Established | 1980-Jan-24 |
D24 | 99 |
| 576 | Established | 1977-Feb-15 |
D24 | 100 | 234 | 1374 | Established | 1991-May-07 |
D24 | 110.1 | 110.6 | 1500 | Established | 1994-Aug-02 |
D24 | ALL |
| 576 | Established | 1977-Feb-15 |
D25 | 38 |
| 1914 | Abolished | 2012-Jan-03 |
D25 | 38.1 |
| 1914 | Established | 2012-Jan-03 |
D25 | 41 |
| 1914 | Abolished | 2012-Jan-03 |
D25 | 41.1 |
| 1914 | Established | 2012-Jan-03 |
D25 | 47 | 54 | 1914 | Abolished | 2012-Jan-03 |
D25 | 47.1 |
| 1914 | Established | 2012-Jan-03 |
D25 | 48.1 | 48.8 | 1914 | Established | 2012-Jan-03 |
D25 | 70 | 98 | 1141 | Abolished | 1987-Nov-03 |
D25 | 100 | 164 | 1141 | Established | 1987-Nov-03 |
D25 | ALL |
| 518 | Established | 1976-Apr-20 |
D26 | 1 | 156 | 713 | Established | 1980-Jan-24 |
D26 | ALL |
| 574 | Established | 1977-Feb-15 |
D27 | 1 | 51 | 1191 | Abolished | 1988-Jul-05 |
D27 | 100 | 196 | 1191 | Established | 1988-Jul-05 |
D28 | 1 | 3 | 576 | Established | 1977-Feb-15 |
D28 | 1 | 3 | 1374 | Abolished | 1991-May-07 |
D28 | 4 | 8 | 576 | Abolished | 1977-Feb-15 |
D28 | 8.1 | 8.2 | 713 | Established | 1980-Jan-24 |
D28 | 9 | 54 | 576 | Established | 1977-Feb-15 |
D28 | 44.1 | 44.2 | 1693 | Established | 1998-May-05 |
D28 | 54.1 |
| 1137 | Established | 1987-Oct-06 |
D28 | 55 | 64 | 576 | Established | 1977-Feb-15 |
D28 | 64 |
| 1693 | Abolished | 1998-May-05 |
D28 | 64.1 | 64.7 | 952 | Established | 1984-Sep-06 |
D28 | 65 | 68 | 1693 | Established | 1998-May-05 |
D28 | 65 | 72 | 576 | Established | 1977-Feb-15 |
D28 | 65 | 72 | 952 | Abolished | 1984-Sep-06 |
D28 | 73 | 91 | 576 | Established | 1977-Feb-15 |
D28 | 91.1 |
| 761 | Established | 1980-Dec-04 |
D28 | 91.2 |
| 1693 | Established | 1998-May-05 |
D28 | 92 | 93 | 576 | Established | 1977-Feb-15 |
D28 | 99 |
| 576 | Established | 1977-Feb-15 |
D28 | ALL |
| 518 | Established | 1976-Apr-20 |
D29 | 1 | 9 | 576 | Established | 1977-Feb-15 |
D29 | 1 | 22 | 1500 | Abolished | 1994-Aug-02 |
D29 | 10 | 22 | 1080 | Established | 1986-Oct-07 |
D29 | 99 |
| 576 | Established | 1977-Feb-15 |
D29 | 99 |
| 1500 | Abolished | 1994-Aug-02 |
D29 | 100 | 130 | 1500 | Established | 1994-Aug-02 |
D29 | 101 |
| 1764 | Abolished | 0200-Jul-04 |
D29 | 101.1 | 101.5 | 1764 | Established | 0200-Jul-04 |
D29 | 116 | 117 | 1764 | Abolished | 0200-Jul-04 |
D29 | 116.1 | 116.3 | 1764 | Established | 0200-Jul-04 |
D29 | 117.1 | 117.2 | 1764 | Established | 0200-Jul-04 |
D29 | 120 | 121 | 1764 | Abolished | 0200-Jul-04 |
D29 | 120.1 | 120.2 | 1764 | Established | 0200-Jul-04 |
D29 | 121.1 | 121.2 | 1764 | Established | 0200-Jul-04 |
D29 | ALL |
| 543 | Established | 1976-Sep-07 |
D30 | 101 | 162 | 1140 | Established | 1987-Nov-03 |
D30 | 134 |
| 1059 | Abolished | 1986-Jul-01 |
D30 | 134 |
| 1834 | Abolished | 2004-Sep-07 |
D30 | 136 | 137 | 1059 | Abolished | 1986-Jul-01 |
D30 | 136 | 137 | 1834 | Abolished | 2004-Sep-07 |
D30 | 145 |
| 1059 | Abolished | 1986-Jul-01 |
D30 | 145 |
| 1834 | Abolished | 2004-Sep-07 |
D30 | 152 | 153 | 1059 | Abolished | 1986-Jul-01 |
D30 | 152 | 153 | 1834 | Abolished | 2004-Sep-07 |
D30 | 158 | 159 | 1059 | Abolished | 1986-Jul-01 |
D30 | 158 | 159 | 1834 | Abolished | 2004-Sep-07 |
D30 | 199 |
| 1140 | Established | 1987-Nov-03 |
D30 | ALL |
| 1140 | Abolished | 1987-Nov-03 |
D31 | ALL |
| 652 | Abolished | 1978-Oct-31 |
D32 | 1 | 75 | 806 | Established | 1981-Sep-03 |
D32 | 14.1 |
| 957 | Established | 1984-Oct-30 |
D32 | 29.1 |
| 1853 | Established | 2006-Jan-03 |
D32 | 53.1 |
| 957 | Established | 1984-Oct-30 |
D32 | ALL |
| 576 | Established | 1977-Feb-15 |
D33 | ALL |
| 1040 | Abolished | 1986-Apr-01 |
D34 | 1 |
| 812 | Established | 1981-Oct-20 |
D34 | 1.1 |
| 1137 | Established | 1987-Oct-06 |
D34 | 2 | 46 | 812 | Established | 1981-Oct-20 |
D34 | 40 | 46 | 1477 | Abolished | 1994-Feb-01 |
D34 | ALL |
| 671 | Abolished | 1979-Mar-21 |