Section 18720.

Cal. Penal Code - PEN § 18720.
in effect
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Every person who possesses any substance, material, or any combination of substances or materials, with the intent to make any destructive device or any explosive without first obtaining a valid permit to make that destructive device or explosive, is guilty of a felony, and is punishable by imprisonment pursuant to subdivision (h) of Section 1170 for two, three, or four years.

References

referencesCal. Penal Code - PEN § 1170.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026

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