Oregon:ORS 813.100(1)
- 813.100 Implied consent to breath or blood test; confiscation of license upon refusal or failure of test.
- (1) Any person who operates a motor vehicle upon premises open to the public or the highways of this state shall be deemed to have given consent, subject to the implied consent law, to a chemical test of the person’s breath, or of the person’s blood if the person is receiving medical care in a health care facility immediately after a motor vehicle accident, for the purpose of determining the alcoholic content of the person’s blood if the person is arrested for driving a motor vehicle while under the influence of intoxicants in violation of ORS 813.010 or of a municipal ordinance. A test shall be administered upon the request of a police officer having reasonable grounds to believe the person arrested to have been driving while under the influence of intoxicants in violation of ORS 813.010 or of a municipal ordinance. Before the test is administered the person requested to take the test shall be informed of consequences and rights as described under ORS 813.130.
(Source: http://www.leg.state.or.us/ors/813.html)