I thank the right reverend Prelate, but I see it as different. The difference is that strikes have a huge effect on our public services and can cause significant disruption for hard-working people. We are legislating here not for the mayoralty of London, but for industrial relations. Statutory ballots require strong assurance on issues such as legitimacy, safety and security of voting.
The noble Lord, Lord Monks, mentioned that Germany and Denmark use thresholds and that these are not tied to particular ways of voting. However, I do not think that it is helpful to compare UK law and that of other countries when the context of each is so different. It is clear that all the relevant international treaties require national laws to be considered.
Finally in that connection, the noble Lord, Lord Pannick, suggested that the proportionality of the proposed thresholds might be vulnerable to challenge were the Government to refuse to allow e-balloting. I note that he acknowledges that thresholds are a proportionate response, given the widespread impact of strikes on the public. I repeat what I have said twice now: we have no objection in principle to electronic methods of balloting, but we need to be reassured on issues of legitimacy, safety and security of voting.