The High Court decision in Andrejs Ratinskis v DPP clarified key evidential requirements in drink driving prosecutions, especially the chain of custody for blood and urine samples.   Facts of the case: In 2022, Ratinskis was stopped at a Mandatory Intoxicant Checkpoint in Newbridge and arrested under s.10(7) of the Road Traffic Act 2010. He provided a blood sample to a designated doctor at Newbridge Garda Station. The doctor used a kit supplied by the Medical Bureau of Road S