Local Government Act 1993

An election is not invalid by reason only –

of any defect in the title, or want of title, of the person by or before whom the election, or any polling in it, has been held or conducted; or of any formal error or defect in any notice, advertisement, notification, list, declaration, application, statement or envelope, or in any publication of any of them; or that any such publication was out of time; or of any delay in holding the election; or the failure to provide any electoral material; or of any defect, impediment or omission of a merely formal nature.