The three biggest parties at Westminster agreed to a royal charter, due to be approved by the Queen at a Privy Council meeting in May, which will establish a "recognition panel" to oversee press self-regulation.

BBC: Press regulation: Scottish ministers seek consensus

The Scottish government did not endorse the expert panel's findings and are now trying to get the royal charter proposed by the leaders of the main UK parties amended to make it comply with Scots law.

BBC: Scotland politics

Both the prime minister and the two other parties agree on the concept of a royal charter, a formal document used to establish and lay out the terms of an organisation, for example the Bank of England or the BBC, that cannot be changed without government approval.

BBC: Press regulation deal 'is still possible'

Russia has explicitly said that it will not ratify the energy charter it signed in 1994, which would have required it to give third parties access to its gas pipelines.

ECONOMIST: The European Union and Russia

If the Privy Council wanted to make changes to the charter it would not have to get the approval of the leaders of the three main political parties.

BBC: Parties say Tory post-Leveson plan 'basis for talks'

Under the Conservative plans, the charter could only be amended by the recognition body if the leaders of the three main political parties in the House of Commons agreed and any changes were approved in Parliament.

BBC: Parties say Tory post-Leveson plan 'basis for talks'