Section 27900 Of Article 6. Exceptions To The Requirement Of Using A Dealer For A Private Party Firearms Transaction From California Penal Code >> Division 6. >> Title 4. >> Part 6. >> Chapter 4. >> Article 6.

. (a) Section 27545 does not apply to the infrequent sale or transfer of a firearm other than a handgun at an auction or similar event conducted by a nonprofit mutual or public benefit corporation organized pursuant to the Corporations Code.
  (b) As used in this section, "infrequent" has the meaning provided in Section 16730.