9. The following new section is hereby inserted immediately after section 23, and shall have effect as section 23A, of the principal Act: -
23A. The appellant in any appeal to the board shall furnish to the board-
| | (a) a list of the witnesses he intends to call at the hearing of such, appeal, and | | |
| | (b) a list of the documents he intends to produce at that hearing in support of such appeal, | | |
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