https://www.gov.uk/guidance/oil-gas-and-mining-ring-fence-corporation-tax
The modified Corporation Tax rules for companies in the UK oil and gas industry including calculating the charge and payment deadlines.
ring fencecorporation taxgov ukoilgas
https://www.odt.co.nz/news/dunedin/ring-fence-formula-review
The National Health Board has agreed to review the mental health "ring-fence" funding formula for the Southern District Health Board to find out...
otago daily timesring fenceformulareviewonline
https://www.timeshighereducation.com/news/uk-universities-ring-fence-phd-posts-ethnic-minority-students
Practice seen as a way to boost participation at higher levels of academia but critics say it could have the opposite effect
uk universitiesring fenceethnic minorityphdposts