The Anti-Drunk and Drugged Driving Act of 2013 has been a long time coming, and now the Department of Transportation has released the implement rules and regulations (IRR) for the law. That law defines the offense in detail, prescribe the methods for determining levels of intoxication, and set penalties faced by drunken or drug-crazed motorists.

Under the IRR, which take effect next month, a motorist apprehended for a traffic violation and suspected of driving under the influence of alcohol will be subjected to a series of “field sobriety tests”: