RSA 265-A:25 Implied Consent Requirements for Commercial Motor Vehicle Drivers.

I. Any person who drives a commercial motor vehicle upon the ways of New Hampshire shall be deemed to have given consent, subject to the provisions of RSA 265-A:4, to a test or tests of any or all or any combination of the following: blood, breath, or urine, for the purpose of determining that person's alcohol concentration, or the presence of other drugs.
II. A test or tests may be administered at the direction of a law enforcement officer who, after stopping or detaining the commercial motor vehicle driver, has probable cause to believe that the driver was driving a commercial motor vehicle while having alcohol in his system.
III. (a) Upon the first refusal of any person to submit to a test or tests as administered by a law enforcement officer for the purposes of deter