Commentary on Sections Glossary History Section 484: Dredging allowances
1725.This section provides for dredging allowances for qualifying trades.
1726.Subsection (1) sets out the general rule. Dredging allowances are available if a person carries on a qualifying trade and incurs expenditure on dredging.
1727.Subsection (2) defines “qualifying trade”. This is either a trade like a dock or harbour authority or a qualifying trade for the purposes of industrial buildings allowances in Part 3.
1728.Subsection (3) provides that dredging does not include anything done otherwise than in the interests of navigation.
1729.Subsection (4) expands the natural meaning of “dredging” to include such things as river and canal widening as well as the removal of things projecting from the bed of a waterway even if they are above the surface.