Oregon Revised Statutes Crimes and Punishments § 163.207

(a) Knowingly circumcises, excises or infibulates the whole or any part of the labia majora, labia minora or clitoris of a child; or

(b) Is the parent, guardian or other person legally responsible for the care or custody of a child and knowingly allows the circumcision, excision or infibulation of the whole or any part of the child's labia majora, labia minora or clitoris.

(3)(a) A person who circumcises, excises or infibulates the whole or any part of a child's labia majora, labia minora or clitoris does not violate subsection (1) of this section if:

(b) In determining medical necessity for purposes of paragraph (a)(B) of this subsection, a person may not consider the effect on the child of the child's belief that the surgery is required as a matter of custom or ritual.