Section 166.397 - Reporting loss or theft of firearm; penalties; civil liability(1)(a) A person who owns, possesses or controls a firearm shall report the loss or theft of the firearm to a law enforcement agency in the jurisdiction in which the loss or theft occurred as soon as practicable but not later than within 72 hours of the time the person knew or reasonably should have known of the loss or theft.(b) If a means of reporting a loss or theft of a firearm within 72 hours is not reasonably available, the person who owned, possessed or controlled the firearm that was lost or stolen must report the loss or theft within 24 hours of the means of reporting becoming available.(c) A person may include the serial number of the firearm in a report under this subsection.(2)(a) A violation of subsection (1) of this section is a Class B violation.(b) Each firearm for which a person does not make the report within the time required by subsection (1) of this section constitutes a separate violation.(c) A person who knowingly provides false information in a report required by subsection (1) of this section commits the crime of initiating a false report under ORS 162.375.(3) If a lost or stolen firearm is used to injure a person or property and the person who owned, possessed or controlled the firearm at the time of the loss or theft did not report the loss or theft as required by subsection (1) of this section, in an action against the person who owned, possessed or controlled the firearm at the time of the loss or theft to recover damages for the injury, the violation constitutes negligence per se for two years from the expiration of the time limit for reporting or until the loss or theft report is made, whichever occurs sooner. The presumption of negligence may not be overcome by a showing that the person acted reasonably.(4) Subsection (3) of this section does not apply if the injury results from a lawful act of self-defense or defense of another person.(5)(a) Within 24 hours of receiving a report under subsection (1) of this section, a law enforcement agency shall create a record concerning the lost or stolen firearm in the Law Enforcement Data System or another electronic database as determined by the Department of State Police.(b) A law enforcement agency is exempt from the obligation described in paragraph (a) of this subsection if the agency is unable to create a record concerning the lost or stolen firearm in the electronic database due to insufficient information.(c) The department may adopt rules to carry out the provisions of this subsection.