Cats in Oregon, United States: rules and travel
Oregon: Dogs must be licensed with the county once they have permanent canine teeth or are 6 months old, whichever comes first, with the fee due by 1 March each year or within 30 days of becoming the keeper (ORS 609.100). Rabies and bite rules are in the details below.
Many dog rules in Oregon are set by counties, cities or towns, so check your local animal control.
The national rules for United States apply here too. National rules
Laws change: this is general information, not legal advice. The authority linked on each line has the final word.