| AH0501 | General and Special Commissioners |
| AH0505 | Election for appeal to be heard by the Special Commissioners |
| AH0510 | Election for Special Commissioners disregarded |
| AH0515 | Special Commissioners: election referred to General Commissioners |
| AH0520 | Transfer of jurisdiction to Special Commissioners: on application of parties to appeal |
| AH0525 | Transfer jurisdiction to Special Commissioners: decision by General Commissioners |
| AH0530 | Referral of questions to Special Commissioners during an enquiry |