For the purposes of this Act, the number of persons voting in a ballot includes those who return ballot papers that are spoiled or otherwise invalid.]
Textual Amendments
F1S. 297A inserted (1.3.2017) by Trade Union Act 2016 (c. 15), s. 25(1), Sch. 4 para. 17; S.I. 2017/139, reg. 2(n)(ii)