The first, if the contingency occurs, is due to be paid on 1 November 2021 (resulting in £30,000 tax), and the second on 1 March 2022 (resulting in £120,000 tax).
Os digwydd y gydnabyddiaeth ddibynnol, bydd y swm cyntaf yn daladwy ar 1 Tachwedd 2021 (gan arwain at dreth o £30,000), a'r ail ar 1 Mawrth 2022 (gan arwain at dreth o £120,000).