Section 20815 Of Article 6. Undetectable Knife From California Penal Code >> Division 5. >> Title 3. >> Part 6. >> Chapter 2. >> Article 6.

. Section 20810 does not apply to the manufacture or importation of any undetectable knife for sale to a law enforcement or military entity with a valid agency, department, or unit purchase order, nor does Section 20810 apply to the subsequent sale of any undetectable knife to a law enforcement or military entity.