Liberal Democrat conference in Bournemouth backed radical changes to corporation tax, including restrictions to reliefs, a boost to capital allowances and extending the tax to cover highly profitable partnerships and other unincorporated businesses. For multinationals the party wants a wider definition of permanent establishment and, longer term, a global system of business taxation. In an autumn election a penny on income tax for health and social care, and restoring the 20% rate of corporation tax to increase funding of public services, would likely be key policies.