If you are going to drink, then find an alternative way to get home rather than driving.
Research indicates that driving after consuming any level of alcohol impairs your ability.
For further information about drinking and its impact on your ability to drive see New Zealand Transport Agency.
Blood Alcohol Levels (BAC)
There are two ways of assessing the alcohol limit for driving:
Although the measures appear different, they are essentially the same. They both measure the same level of alcohol for drink driving purposes.
Breath testing is used for both screening and evidential purposes. Blood testing can be used as a check on the accuracy of the breath testing. The Police can require a blood test if the person refuses to do a breath test.
Current Legal Limits