| Class | From Sub | To Sub | Order No. | Action | Date |
|---|---|---|---|---|---|
| 251 | 1 | 1001 | Abolished | 1985-Jul-02 | |
| 251 | 1.1 | 1.3 | 1001 | Established | 1985-Jul-02 |
| 251 | 30 | 1006 | Abolished | 1985-Aug-06 | |
| 251 | 30.01 | 30.05 | 1006 | Established | 1985-Aug-06 |
| 251 | 129 | 1006 | Abolished | 1985-Aug-06 | |
| 251 | 129.01 | 129.22 | 1006 | Established | 1985-Aug-06 |
| 251 | 130 | 141 | 1006 | Abolished | 1985-Aug-06 |
| 251 | 315 | 1512 | Abolished | 1994-Nov-01 | |
| 251 | 315.01 | 315.16 | 1512 | Established | 1994-Nov-01 |
| 251 | 317.01 | 1512 | Established | 1994-Nov-01 | |
| 251 | 331.1 | 335.3 | 1001 | Established | 1985-Jul-02 |
| 251 | 335 | 1001 | Abolished | 1985-Jul-02 | |
| 251 | 905 | 1373 | Established | 1991-Apr-02 | |
| 251 | DIG 1 | DIG 5 | 1001 | Abolished | 1985-Jul-02 |
| 252 | 8.1 | 784 | Abolished | 1981-Apr-21 | |
| 252 | 8.3 | 8.516 | 1386 | Abolished | 1991-Nov-05 |
| 252 | 8.5 | 1063 | Abolished | 1986-Aug-05 | |
| 252 | 8.51 | 1063 | Established | 1986-Aug-05 | |
| 252 | 8.511 | 1063 | Established | 1986-Aug-05 | |
| 252 | 8.512 | 1063 | Established | 1986-Aug-05 | |
| 252 | 8.513 | 1138 | Established | 1987-Oct-06 | |
| 252 | 8.514 | 1063 | Established | 1986-Aug-05 | |
| 252 | 8.515 | 1063 | Established | 1986-Aug-05 | |
| 252 | 8.516 | 1138 | Established | 1987-Oct-06 | |
| 252 | 8.55 | 1064 | Abolished | 1986-Aug-05 | |
| 252 | 8.551 | 8.555 | 1064 | Established | 1986-Aug-05 |
| 252 | 8.551 | 8.555 | 1516 | Abolished | 1994-Dec-06 |
| 252 | 8.6 | 8.7 | 1603 | Abolished | 1996-Jul-02 |
| 252 | 8.61 | 8.63 | 1603 | Established | 1996-Jul-02 |
| 252 | 8.75 | 1603 | Abolished | 1996-Jul-02 | |
| 252 | 8.8 | 8.9 | 1603 | Abolished | 1996-Jul-02 |
| 252 | 8.81 | 8.86 | 1603 | Established | 1996-Jul-02 |
| 252 | 8.91 | 1603 | Established | 1996-Jul-02 | |
| 252 | 9 | 58 | 1604 | Abolished | 1996-Jul-02 |
| 252 | 59 | 683 | Abolished | 1979-May-29 | |
| 252 | 62.1 | 710 | Abolished | 1979-Nov-06 | |
| 252 | 63 | 66 | 763 | Abolished | 1980-Dec-29 |
| 252 | 78 | 534 | Abolished | 1976-Jul-15 | |
| 252 | 78.1 | 534 | Established | 1976-Jul-15 | |
| 252 | 78.3 | 534 | Established | 1976-Jul-15 | |
| 252 | 78.5 | 534 | Established | 1976-Jul-15 | |
| 252 | 80 | 88 | 1603 | Abolished | 1996-Jul-02 |
| 252 | 88.1 | 88.2 | 1603 | Established | 1996-Jul-02 |
| 252 | 89 | 682 | Abolished | 1979-May-25 | |
| 252 | 89.1 | 682 | Established | 1979-May-25 | |
| 252 | 89.1 | 1603 | Abolished | 1996-Jul-02 | |
| 252 | 90 | 174 | 1603 | Abolished | 1996-Jul-02 |
| 252 | 174.11 | 174.19 | 682 | Established | 1979-May-25 |
| 252 | 174.11 | 174.25 | 1603 | Abolished | 1996-Jul-02 |
| 252 | 174.21 | 174.25 | 682 | Established | 1979-May-25 |
| 252 | 182 | 1180 | Abolished | 1988-May-03 | |
| 252 | 182.1 | 540 | Established | 1976-Aug-16 | |
| 252 | 182.11 | 182.35 | 1180 | Established | 1988-May-03 |
| 252 | 183.11 | 183.16 | 1180 | Established | 1988-May-03 |
| 252 | 186 | 842 | Abolished | 1982-Jun-24 | |
| 252 | 186.1 | 186.44 | 842 | Established | 1982-Jun-24 |
| 252 | 187 | 842 | Abolished | 1982-Jun-24 | |
| 252 | 187.1 | 187.34 | 842 | Established | 1982-Jun-24 |
| 252 | 188 | 842 | Abolished | 1982-Jun-24 | |
| 252 | 188.1 | 188.28 | 842 | Established | 1982-Jun-24 |
| 252 | 188.3 | 897 | Established | 1983-Aug-02 | |
| 252 | 188.31 | 897 | Established | 1983-Aug-02 | |
| 252 | 188.31 | 1180 | Abolished | 1988-May-03 | |
| 252 | 259.5 | 909 | Abolished | 1983-Oct-26 | |
| 252 | 299 | 785 | Abolished | 1981-Apr-24 | |
| 252 | 299.01 | 299.7 | 785 | Established | 1981-Apr-24 |
| 252 | 300 | 800 | Abolished | 1981-Jul-15 | |
| 252 | 301.1 | 817 | Abolished | 1981-Dec-09 | |
| 252 | 301.15 | 648 | Abolished | 1978-Oct-27 | |
| 252 | 301.16 | 301.18 | 514 | Established | 1976-Mar-09 |
| 252 | 301.2 | 301.3 | 514 | Abolished | 1976-Mar-09 |
| 252 | 301.21 | 301.29 | 514 | Established | 1976-Mar-09 |
| 252 | 301.31 | 301.36 | 514 | Established | 1976-Mar-09 |
| 252 | 302 | 358 | 1711 | Abolished | 1998-Oct-06 |
| 252 | 313 | 945 | Abolished | 1984-May-22 | |
| 252 | 313.1 | 313.2 | 945 | Established | 1984-May-22 |
| 252 | 315 | 890 | Abolished | 1983-May-05 | |
| 252 | 315.01 | 890 | Established | 1983-May-05 | |
| 252 | 315.1 | 315.7 | 890 | Established | 1983-May-05 |
| 252 | 316 | 317 | 890 | Abolished | 1983-May-05 |
| 252 | 359 | 363 | 984 | Abolished | 1985-Apr-02 |
| 252 | 367 | 370 | 1603 | Abolished | 1996-Jul-02 |
| 252 | 367.1 | 1603 | Established | 1996-Jul-02 | |
| 252 | 371 | 984 | Abolished | 1985-Apr-02 | |
| 252 | 386 | 1355 | Abolished | 1990-Oct-20 | |
| 252 | 389 | 1065 | Abolished | 1986-Aug-05 | |
| 252 | 389.1 | 1065 | Established | 1986-Aug-05 | |
| 252 | 389.2 | 389.24 | 1065 | Established | 1986-Aug-05 |
| 252 | 389.3 | 389.32 | 1065 | Established | 1986-Aug-05 |
| 252 | 389.4 | 389.41 | 1065 | Established | 1986-Aug-05 |
| 252 | 389.5 | 389.54 | 1065 | Abolished | 1986-Aug-05 |
| 252 | 389.6 | 1065 | Established | 1986-Aug-05 | |
| 252 | 389.6 | 1209 | Abolished | 1988-Aug-02 | |
| 252 | 389.61 | 389.62 | 1065 | Established | 1986-Aug-05 |
| 252 | 400 | 1066 | Abolished | 1986-Aug-05 | |
| 252 | 400.1 | 400.62 | 1066 | Established | 1986-Aug-05 |
| 252 | 408 | 865 | Abolished | 1982-Oct-28 | |
| 252 | 408.1 | 865 | Established | 1982-Oct-28 | |
| 252 | 410 | 477 | 909 | Abolished | 1983-Oct-26 |
| 252 | 425.3 | 540 | Established | 1976-Aug-16 | |
| 252 | 501 | 710 | Abolished | 1979-Nov-06 | |
| 252 | 501.1 | 710 | Established | 1979-Nov-06 | |
| 252 | 518 | 521 | 1666 | Abolished | 1997-Nov-04 |
| 252 | 518.1 | 521.6 | 1666 | Established | 1997-Nov-04 |
| 252 | 522 | 1130 | Abolished | 1987-Aug-04 | |
| 252 | 523 | 559 | 1603 | Abolished | 1996-Jul-02 |
| 252 | 567 | 763 | Established | 1980-Dec-29 | |
| 252 | 570 | 581 | 763 | Established | 1980-Dec-29 |
| 252 | 582 | 589 | 800 | Established | 1981-Jul-15 |
| 252 | 600 | 710 | Established | 1979-Nov-06 | |
| 252 | 601 | 611 | 784 | Established | 1981-Apr-21 |
| 252 | 625 | 647 | 817 | Established | 1981-Dec-09 |
| 252 | 626 | 633 | 1491 | Abolished | 1994-Jun-07 |
| 252 | 700 | 897 | Established | 1983-Aug-02 | |
| 252 | 952 | 800 | Established | 1981-Jul-15 | |
| 252 | 960 | 965 | 865 | Established | 1982-Oct-28 |
| 252 | DIG 1 | DIG 17 | 1603 | Abolished | 1996-Jul-02 |
| 252 | DIG 19 | 1603 | Abolished | 1996-Jul-02 | |
| 254 | 51 | 83 | 744 | Abolished | 1980-Jul-23 |
| 254 | 86 | 87 | 893 | Abolished | 1983-Jun-02 |
| 254 | 135 | 198 | 744 | Abolished | 1980-Jul-23 |
| 254 | 187 | 572 | Abolished | 1977-Feb-07 | |
| 254 | 187.1 | 187.8 | 572 | Established | 1977-Feb-07 |
| 254 | 199 | 417 | 744 | Established | 1980-Jul-23 |
| 254 | 418 | 427 | 893 | Established | 1983-Jun-02 |
| 254 | 900 | 903 | 744 | Established | 1980-Jul-23 |
| 256 | 65 | 1800 | Abolished | 2002-Feb-05 | |
| 256 | 65.01 | 65.16 | 1800 | Established | 2002-Feb-05 |
| 257 | 1 | 798 | 1434 | Established | 1992-Nov-03 |
| 257 | 900 | 930 | 1434 | Established | 1992-Nov-03 |
| 257 | E21.001 | E21.705 | 1824 | Established | 2003-Feb-28 |
| 257 | E23.001 | E23.194 | 1824 | Established | 2003-Feb-28 |
| 257 | E25.001 | E25.032 | 1824 | Established | 2003-Feb-28 |
| 257 | E27.001 | E27.163 | 1810 | Established | 2002-Oct-01 |
| 257 | E29.001 | E29.152 | 1809 | Established | 2002-Aug-06 |
| 257 | E29.153 | 1813 | Abolished | 2002-Oct-01 | |
| 257 | E29.154 | E29.162 | 1809 | Established | 2002-Aug-06 |
| 257 | E29.163 | 1813 | Abolished | 2002-Oct-01 | |
| 257 | E29.164 | E29.202 | 1809 | Established | 2002-Aug-06 |
| 257 | E29.203 | E29.210 | 1813 | Abolished | 2002-Oct-01 |
| 257 | E29.204 | E29.209 | 1809 | Established | 2002-Aug-06 |
| 257 | E29.211 | E29.347 | 1809 | Established | 2002-Aug-06 |
| 257 | E31.001 | E31.131 | 1812 | Established | 2002-Oct-01 |
| 257 | E33.001 | E33.079 | 1812 | Established | 2002-Oct-01 |
| 257 | E39.010 | E39.020 | 1824 | Established | 2003-Feb-28 |
| 257 | E43.001 | E43.007 | 1824 | Established | 2003-Feb-28 |
| 257 | E45.001 | E45.006 | 1824 | Established | 2003-Feb-28 |
| 257 | E47.001 | E47.005 | 1824 | Established | 2003-Feb-28 |
| 257 | E49.001 | E49.004 | 1824 | Established | 2003-Feb-28 |
| 257 | E51.001 | E51.052 | 1812 | Established | 2002-Oct-01 |
| 259 | ALL | 611 | Abolished | 1977-Dec-28 | |
| 260 | 2 | 637 | Abolished | 1978-Aug-03 | |
| 260 | 2.01 | 637 | Established | 1978-Aug-03 | |
| 260 | 2.01 | 828 | Abolished | 1982-Mar-23 | |
| 260 | 2.1 | 2.2 | 638 | Abolished | 1978-Aug-03 |
| 260 | 2.3 | 828 | Abolished | 1982-Mar-23 | |
| 260 | 2.5 | 639 | Abolished | 1978-Aug-03 | |
| 260 | 3 | 42.57 | 828 | Abolished | 1982-Mar-23 |
| 260 | 45.7 | 45.95 | 828 | Abolished | 1982-Mar-23 |
| 260 | 46 | 78.3 | 637 | Abolished | 1978-Aug-03 |
| 260 | 78.4 | 78.5 | 517 | Abolished | 1976-Apr-19 |
| 260 | 78.41 | 637 | Abolished | 1978-Aug-03 | |
| 260 | 79 | 79.7 | 637 | Abolished | 1978-Aug-03 |
| 260 | 80 | 94.9 | 517 | Abolished | 1976-Apr-19 |
| 260 | 95 | 96 | 828 | Abolished | 1982-Mar-23 |
| 260 | 96.5 | 111 | 1289 | Abolished | 1989-Jul-04 |
| 260 | 112 | 123.7 | 1044 | Abolished | 1986-May-06 |
| 260 | 124 | 236.6 | 964 | Abolished | 1984-Nov-30 |
| 260 | 139.9 | 759 | Established | 1980-Oct-31 | |
| 260 | 209 | 235 | 539 | Abolished | 1976-Jul-20 |
| 260 | 236 | 657 | Abolished | 1978-Nov-30 | |
| 260 | 239 | 330.9 | 1062 | Abolished | 1986-Aug-05 |
| 260 | 240 | 249.9 | 594 | Abolished | 1977-Aug-02 |
| 260 | 242.2 | 594 | Established | 1977-Aug-02 | |
| 260 | 243.3 | 594 | Established | 1977-Aug-02 | |
| 260 | 244.4 | 657 | Established | 1978-Nov-30 | |
| 260 | 245.1 | 245.7 | 702 | Established | 1979-Sep-24 |
| 260 | 245.71 | 245.91 | 857 | Established | 1982-Sep-28 |
| 260 | 250 | 268 | 631 | Abolished | 1978-May-30 |
| 260 | 269 | 297.5 | 657 | Abolished | 1978-Nov-30 |
| 260 | 298 | 308 | 702 | Abolished | 1979-Sep-24 |
| 260 | 309 | 312 | 594 | Abolished | 1977-Aug-02 |
| 260 | 313.1 | 326.9 | 857 | Abolished | 1982-Sep-28 |
| 260 | 327 | 329.3 | 701 | Abolished | 1979-Aug-31 |
| 260 | 330 | 701 | Established | 1979-Aug-31 | |
| 260 | 330.3 | 701 | Established | 1979-Aug-31 | |
| 260 | 330.5 | 332.8 | 701 | Abolished | 1979-Aug-31 |
| 260 | 330.6 | 330.9 | 841 | Established | 1982-Jun-15 |
| 260 | 333 | 348.64 | 841 | Abolished | 1982-Jun-15 |
| 260 | 343.2 | 594 | Abolished | 1977-Aug-02 | |
| 260 | 343.21 | 594 | Established | 1977-Aug-02 | |
| 260 | 343.41 | 343.45 | 594 | Established | 1977-Aug-02 |
| 260 | 346.1 | 346.2 | 594 | Abolished | 1977-Aug-02 |
| 260 | 346.11 | 594 | Established | 1977-Aug-02 | |
| 260 | 346.22 | 594 | Established | 1977-Aug-02 | |
| 260 | 346.71 | 346.76 | 594 | Established | 1977-Aug-02 |
| 260 | 346.8 | 594 | Abolished | 1977-Aug-02 | |
| 260 | 347.91 | 594 | Established | 1977-Aug-02 | |
| 260 | 348 | 348.6 | 594 | Abolished | 1977-Aug-02 |
| 260 | 348.11 | 348.64 | 594 | Established | 1977-Aug-02 |
| 260 | 349 | 1289 | Abolished | 1989-Jul-04 | |
| 260 | 350 | 1674 | Abolished | 1998-Jan-06 | |
| 260 | 351 | 1310 | Abolished | 1989-Oct-03 | |
| 260 | 351.1 | 351.6 | 755 | Established | 1980-Oct-02 |
| 260 | 351.1 | 351.6 | 1310 | Abolished | 1989-Oct-03 |
| 260 | 352 | 385 | 1310 | Abolished | 1989-Oct-03 |
| 260 | 396 | 1310 | Abolished | 1989-Oct-03 | |
| 260 | 397 | 397.5 | 1330 | Abolished | 1990-Apr-03 |
| 260 | 397.6 | 397.7 | 1289 | Abolished | 1989-Jul-04 |
| 260 | 398 | 1403 | Abolished | 1992-Apr-07 | |
| 260 | 398.5 | 1403 | Abolished | 1992-Apr-07 | |
| 260 | 398.6 | 780 | Established | 1981-Apr-06 | |
| 260 | 398.6 | 1403 | Abolished | 1992-Apr-07 | |
| 260 | 399 | 402 | 1403 | Abolished | 1992-Apr-07 |
| 260 | 402.5 | 1403 | Abolished | 1992-Apr-07 | |
| 260 | 403 | 1403 | Abolished | 1992-Apr-07 | |
| 260 | 404 | 1403 | Abolished | 1992-Apr-07 | |
| 260 | 404.5 | 1403 | Abolished | 1992-Apr-07 | |
| 260 | 404.8 | 1403 | Abolished | 1992-Apr-07 | |
| 260 | 405 | 1403 | Abolished | 1992-Apr-07 | |
| 260 | 405.5 | 1403 | Abolished | 1992-Apr-07 | |
| 260 | 405.6 | 1403 | Abolished | 1992-Apr-07 | |
| 260 | 406 | 410 | 1403 | Abolished | 1992-Apr-07 |
| 260 | 410.5 | 410.9 | 1403 | Abolished | 1992-Apr-07 |
| 260 | 412 | 1403 | Abolished | 1992-Apr-07 | |
| 260 | 412.1 | 412.8 | 1403 | Abolished | 1992-Apr-07 |
| 260 | 413 | 421 | 1403 | Abolished | 1992-Apr-07 |
| 260 | 423 | 428 | 1403 | Abolished | 1992-Apr-07 |
| 260 | 428.5 | 1403 | Abolished | 1992-Apr-07 | |
| 260 | 429 | 448 | 996 | Abolished | 1985-Jun-02 |
| 260 | 448.2 | 729 | Abolished | 1980-Apr-14 | |
| 260 | 448.8 | 729 | Abolished | 1980-Apr-14 | |
| 260 | 449 | 452 | 780 | Abolished | 1981-Apr-06 |
| 260 | 453 | 467 | 1039 | Abolished | 1986-Mar-04 |
| 260 | 453.1 | 453.9 | 755 | Established | 1980-Oct-02 |
| 260 | 453.99 | 755 | Established | 1980-Oct-02 | |
| 260 | 468 | 499 | 599 | Abolished | 1977-Sep-06 |
| 260 | 500.5 | 550 | 1289 | Abolished | 1989-Jul-04 |
| 260 | 514 | 542 | 643 | Abolished | 1978-Sep-07 |
| 260 | 543.1 | 543.2 | 755 | Established | 1980-Oct-02 |
| 260 | 550 | 733 | Established | 1980-May-29 | |
| 260 | 551 | 585 | 755 | Abolished | 1980-Oct-02 |
| 260 | 585.5 | 609 | 733 | Abolished | 1980-May-29 |
| 260 | 610 | 616 | 658 | Abolished | 1978-Nov-30 |
| 260 | 617 | 643 | 630 | Abolished | 1978-May-11 |
| 260 | 644 | 647 | 733 | Abolished | 1980-May-29 |
| 260 | 648 | 664 | 759 | Abolished | 1980-Oct-31 |
| 260 | 666 | 683.9 | 683 | Abolished | 1979-May-29 |
| 260 | 684 | 708 | 1289 | Abolished | 1989-Jul-04 |
| 260 | 709 | 822 | 915 | Abolished | 1983-Dec-13 |
| 260 | 823 | 901 | 697 | Abolished | 1979-Aug-08 |
| 260 | 920 | 990 | 1039 | Abolished | 1986-Mar-04 |
| 260 | 998.2 | 1044 | Established | 1986-May-06 | |
| 260 | 998.21 | 1044 | Established | 1986-May-06 | |
| 260 | 998.22 | 1044 | Established | 1986-May-06 | |
| 260 | 999 | 557 | Abolished | 1976-Nov-23 |