(1)If the person liable under section 587—
(a)is a non-UK resident, and
(b)does not receive the proceeds of sale in instalments,
the whole amount chargeable is taxed in the tax year in which the person receives the proceeds.
(2)The person may elect to be taxed instead on one-sixth of the amount chargeable in the tax year in which the person receives the proceeds of sale and in each of the next 5 tax years.
(3)An election under subsection (2) must be made on or before the first anniversary of the normal self-assessment filing date for the tax year in which the proceeds of sale are received.
(4)Such repayments and assessments are to be made for each of the tax years affected as are necessary to give effect to the election.
(5)Subsection (4) is subject to the qualifications in section 596 (adjustments where tax has been deducted).