PEN §27310: (a) All firearm, ammunition, and firearm precursor part transfers or sales at a gun show or event shall be conducted in accordance with applicable state and federal laws.

(a) All firearm, ammunition, and firearm precursor part transfers or sales at a gun show or event shall be conducted in accordance with applicable state and federal laws. (b) The Department of Justice may inspect any firearms dealers, ammunition vendors, firearm precursor part vendors, or manufacturers participating in a gun show or event in order to ensure compliance with subdivision (a). The department may adopt regulations to administer the application and enforcement provisions of this chapter. (c) Commencing July 1, 2023, the department shall annually conduct enforcement and inspection of a minimum of one-half of all gun shows or events in the state to ensure compliance with this article and with Article 1 (commencing with Section 27200). (d) The department shall post any violation of subdivision (a) by a firearms dealer, firearm precursor part vendor, or ammunition vendor discovered during an inspection of a gun show or event on its internet website for a period of 90 days after an inspection. (e) (1) By no later than May 1, 2024, and annually thereafter, the department shall prepare and submit a report to the Legislature summarizing their enforcement efforts pursuant to this section. (2) The report to be submitted pursuant to this subdivision shall be submitted in compliance with Section 9795 of the Government Code.