I’ve been wondering how, legally, the government will exempt the Lloyds TSB-HBOS merger from competition law; some of the reports about this are understandably fairly vague.

So long as both Lloyds TSB and HBOS receive over two thirds of their EU turnover within the UK – turnover in North America and Asia doesn’t count, note – then the merger does not have a Community dimension, and we only need be concerned about UK law. See article 1 of Regulation 139/2004, the Merger Regulation. A member state could ask the Commission to get involved anyway under article 22, if the merger threatens to significantly affect competition in its market, but I doubt that would be the effect of this merger in any member state – and anyway, the Commission would I think clear this deal, since under article 2 it must take into account the interests of “ultimate consumers” and economic progress. That deals with EU competition law.

Domestically, I think what the government must have in mind is an order under section 277 of the Enterprise Act 2002, perhaps amending Part 3 of the Act, which governs mergers and gives the OFT its regulatory functions in relation to them; the amendment perhaps providing that Part 3 doesn’t apply in the case of any merger the Secretary of State may specify.

The government would argue that ministers have power to make such and amendment under section 277 because it would be supplementary provision for the general purpose of making provision about mergers, and modifying “this Act” to use the wording of section 277.

The amendment would be made by statutory instrument, and would most likely come into force immediately. While normally the government would lay such an order before Parliament 21 days before it comes into force, to allow scrutiny by the Joint Committee on Statutory Instruments and the Lords Merits Committee, I imagine government lawyers have already been on the phone to Parliamentary officials to explain why this is an exceptional case justifying breaching the (non-legal) “21 day rule” – a view the Parliamentary authorities will surely accept. I also expect a draft order is being prepared right now by a lawyer at BERR, though the precise form of amendment will need a bit of thought.

When MPs get back to Parliament they’ll have 40 days in which to annul the order if they want to – it would cease to be law immediately. Something makes me think no MP will want to move annulment, though.