<Ul> <Li> Scotland: 50 mg / 100 ml alcohol in blood or 22 μg / 100 ml alcohol in breath (legislation became effective from 5 December 2014) </Li> <Li> England and Wales: 80 mg / 100 ml alcohol in blood, 35 μg / 100 ml alcohol in breath or 107 mg / 100 ml alcohol in urine . </Li> <Li> Northern Ireland: 80 mg / 100 ml alcohol in blood . As of November 2014 results of a public consultation regarding reduction of this limit were being considered, with a reduction to fifty being thought likely </Li> </Ul> <Li> Scotland: 50 mg / 100 ml alcohol in blood or 22 μg / 100 ml alcohol in breath (legislation became effective from 5 December 2014) </Li> <Li> England and Wales: 80 mg / 100 ml alcohol in blood, 35 μg / 100 ml alcohol in breath or 107 mg / 100 ml alcohol in urine . </Li> <Li> Northern Ireland: 80 mg / 100 ml alcohol in blood . As of November 2014 results of a public consultation regarding reduction of this limit were being considered, with a reduction to fifty being thought likely </Li>

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