Good idea to document determination. - Particularly if you conclude you are not subject to the rule. - Not a rule requirement. See Section 2.4 of SPCC guidance document. http://www.epa.gov/emergencies/docs/oil/spcc/guidance/2_Applicability.pdf.
The age of consent is eighteen. With parental consent, parties can marry at age seventeen with the exception that if one party does not have a parent who resides in the state and one party has been a resident in Oregon for at least six months, then no permission is necessary.
The age of consent in Idaho is 18. 1  If the victim is under the age of 16 and female, and the actor is male and age 18 or older, or if the female is age 16 or 17 and the male actor is at least 3 years older, any penetrative act (including intercourse, anal sex and oral sex) is considered Rape.