Section 32020 Of Article 5. Rules Governing Unsafe Handguns From California Penal Code >> Division 10. >> Title 4. >> Part 6. >> Chapter 4. >> Article 5.

. (a) The Attorney General may annually retest up to 5 percent of the handgun models that are listed on the roster described in subdivision (a) of Section 32015.
  (b) The retesting of a handgun model pursuant to subdivision (a) shall conform to the following:
  (1) The Attorney General shall obtain from retail or wholesale sources, or both, three samples of the handgun model to be retested.
  (2) The Attorney General shall select the certified laboratory to be used for the retesting.
  (3) The ammunition used for the retesting shall be of a type recommended by the manufacturer in the user manual for the handgun. If the user manual for the handgun model makes no ammunition recommendation, the Attorney General shall select the ammunition to be used for the retesting. The ammunition shall be of the proper caliber for the handgun, commercially available, and in new condition.
  (c) The retest shall be conducted in the same manner as the testing prescribed in Sections 31900 and 31905.
  (d) If the handgun model fails retesting, the Attorney General shall remove the handgun model from the roster maintained pursuant to subdivision (a) of Section 32015.