Time limits for tax claims: differential limitation periods set by assessment year, imposing four-, three- or two-year bars.

The amendment substitutes the limitation provision in section 239 to require that claims be made within fixed periods measured from the last day of the relevant assessment year: four years for assessment years commencing on or before 1 April 1967, three years for the assessment year commencing 1 April 1968, and two years for any other assessment year.

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