The folder contains papers (nos. 1–7) relating to the drafting of byelaws by the Humber Conservancy Commissioners, and byelaws (nos. 8–11 ) received from other bodies regulating river traffic within the Conservancy's jurisdiction. This includes the following:

8. Hull Docks Company: Byelaws relative to Gunpowder and other Explosives under 'The Explosives Act, 1875', Vic, c. 17 (26 October 1876)

9. Aire and Calder Navigation: Ouse (Lower) Improvement Act, 1884, Byelaws for the regulation of the River Ouse with the 'Limits of Improvement' (31 July 1886)

10. Byelaws, Regulations, and schedule of Dock Dues and Rates and Charges on Goods payable to the Great Central Railway Company at their docks at Great Grimsby (1 August 1897)

11. North Eastern Railway Company (Hull Docks): Byelaws and Appendix