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HMRC internal manual

Capital Allowances Manual

Dredging: When WDA due

CAA01/S487 (1) and (7)

A person can claim a WDA for a chargeable period provided that qualifying expenditure has been incurred and all of the following conditions are satisfied:

  • during that chargeable period the person is carrying on the qualifying trade for the purposes of which the qualifying expenditure was incurred;
  • the chargeable period is wholly or partly within the writing down period CA81100;
  • no balancing allowance is due for that chargeable period.