Millions more in taxpayer money will be spent on a rugby union safety programme - including a focus on the treatment of concussion.
ACC previously spent about $300,000 a year on the "Rugby Smart" programme, which aims to reduce the number and severity of injuries in the sport.
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ACC Minister Michael Woodhouse, a former top-level rugby referee, announced today funding would increased to $7 million over the next four years, or about $1.75m a year.
"Rugby is changing. Players are now bigger, fitter and faster, so it's important that our injury prevention initiative keeps pace with the modern game."