Press release - Budget: Interest deductibility proposals “proportionate” say tax advisers

The Government has announced new rules restricting the amount of interest expenses that can be deducted when a company calculates its taxable profit. Commenting, Glyn Fullelove, Chair of the Chartered Institute of Taxation’s International Taxes Sub-Committee, said: 

“Interest deductibility has become a strong competitive feature of the UK tax system and economy, so it is not without risk for the Government to impose a limit on the amount of interest expenses that a company can deduct for tax purposes.

“Nevertheless, given how use of interest expenses to reduce corporation tax liabilities has been a key area highlighted in the OECD’s work on Base Erosion and Profit Shifting (BEPS) it was always likely that the Government would feel the need to act in this area.

“In the circumstances these proposals appear to be reasonably balanced and proportionate, with appropriate safeguards in place. With other major economies acting too in this area we should not end up putting ourselves at any significant competitive disadvantage, though this will only be the case if other countries do follow through with their promises to implement similar rules.

“The Government have been sensible in going for a limit of 30 per cent of a company’s earnings before interest, taxes, depreciation and amortisation (EBITDA), at the upper end of the OECD’s ‘corridor’ of 10 – 30 per cent, as the limit for net deductions for interest.

“However even a 30 per cent limit would still have had a significant impact on infrastructure and real estate companies, who have particular factors driving them to have a high ratio of debt to EBITDA earnings for reasons unrelated to avoiding tax. It appears the Government have made provision for this by excluding public infrastructure from the 30 per cent limit and announcing that a group ratio rule will also apply, which is welcome and pragmatic.

“We also welcome provisions excluding companies which pose little risk of BEPS from the 30 per cent limit, such as those with a de minimis level of interest expense of £2 million net.

“We are also pleased that the Government confirmed that it will repeal the existing worldwide debt cap rules which will no longer be required, rather than simply adding a new set of rules to the tax code.”  

Notes for editors

  1. BEPS seeks to tackle tax planning strategies that exploit gaps and mismatches in tax rules to artificially shift profits to low or no-tax locations where there is little or no economic activity, resulting in little or no overall corporate tax being paid. For more information visit
  2. In the CIOT’s response to the Government’s consultation on this area the Institute argued specifically for a £2m de minimis threshold, and also supported the application of a group ratio rule and a public infrastructure exception.
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