The White Fish Subsidy (United Kingdom) Scheme 1957
This scheme relates to the United Kingdom and provides for the payment of grants as follows:— Category A Vessels of less than 40 feet in length ... 33d. per stone of herring landed Category B Vessels, other than steam vessels, of 40 feet or over but under 80 feet in length ... £6 10s. per day at sea Category C Vessels, other than steam vessels, of 80 feet or over but not exceeding 140 feet in length ... £8 per day at sea Category D Steam vessels not exceeding 140 feet in length ... £10 per da...