The Chancellor confirmed the government intends to clamp down on "complex asset-backed contribution structures" that allow firms to over-claim tax relief.
The Pensions Regulator has hit back at accusations it is "sitting on its hands" over guidance on asset-backed contributions but ruled out bringing a test case to clarify their legality.
The Marks & Spencer pension scheme's net surplus has grown from £168.5m to £221.2m over the last six months, driven by asset performance.
Asset-backed pension scheme contributions could exceed £10bn in the next five years, latest research finds.
The deficit for the closed Whitbread defined benefit pension scheme has climbed above £0.5bn despite contributions of £61m from the firm.
Members of Lloyds TSB Pension Funds are demanding to know whether the £4bn partnership created to plug the schemes' deficits was used to offload "toxic assets".
Kingfisher has extended the asset-backed funding partnership with its pension scheme with the addition of two UK properties worth £119m.
Sponsors will increasingly turn to intellectual property as a contingent asset to plug pension fund deficits, lawyers say.
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The ITV pension scheme has entered into a £1.7bn longevity swap with Credit Suisse to fully hedge the longevity risk for 12,000 of its pensioner members.