Vol. 1. Chapters 1-24 -- v. 2, pt. 1. Chapters 25-46 -- v. 2, pt. 2. Chapters 47-67 -- v. 3. Revisions to the Board's recommendations respecting chapters 1 to 67. -- v. 5, pt. 3. Consolidation of concessionary provisions--statutory concessionary tariff items.