Cal. Penal Code § 330b

(a) It is unlawful for any person to manufacture, repair, own, store, possess, sell, rent, lease, let on shares, lend or give away, transport, or expose for sale or lease, or to offer to repair, sell, rent, lease, let on shares, lend or give away, or permit the operation, placement, maintenance, or keeping of, in any place, room, space, or building owned, leased, or occupied, managed, or controlled by that person, any slot machine or device, as defined in this section.
It is unlawful for any person to make or to permit the making of an agreement with another person regarding any slot machine or device, by which the user of the slot machine or device, as a result of the element of hazard or chance or other unpredictable outcome, may become entitled to receive money, credit, allowance, or other thing of value or additional chance or right to use the slot machine or device, or to receive any check, slug, token, or memorandum entitling the holder to receive money, credit, allowance, or other thing of value.
(b) The limitations of subdivision (a), insofar as they relate to owning, storing, possessing, or transporting any slot machine or device, do not apply to any slot machine or device located upon or being transported by any vessel regularly operated and engaged in interstate or foreign commerce, so long as the slot machine or device is located in a locked compartment of the vessel, is not accessible for use, and is not used or operated within the territorial jurisdiction of this state.
(c) The limitations of subdivision (a) do not apply to a manufacturer’s business activities that are conducted in accordance with the terms of a license issued by a tribal gaming agency pursuant to the tribal-state gaming compacts entered into in accordance with the Indian Gaming Regulatory Act (18 U.S.C. Sec. 1166 to 1168, inclusive, and 25 U.S.C. Sec. 2701 et seq.).
(d) For purposes of this section, “slot machine or device” means a machine, apparatus, or device that is adapted, or may readily be converted, for use in a way that, as a result of the insertion of any piece of money or coin or other object, or by any other means, the machine or device is caused to operate or may be operated, and by reason of any element of hazard or chance or of other outcome of operation unpredictable by him or her, the user may receive or become entitled to receive any piece of money, credit, allowance, or thing of value, or additional chance or right to use the slot machine or device, or any check, slug, token, or memorandum, whether of value or otherwise, which may be exchanged for any money, credit, allowance, or thing of value, or which may be given in trade, irrespective of whether it may, apart from any element of hazard or chance or unpredictable outcome of operation, also sell, deliver, or present some merchandise, indication of weight, entertainment, or other thing of value.
(e) Every person who violates this section is guilty of a misdemeanor.
1. (1) A first violation of this section shall be punishable by a fine of not less than five hundred dollars ($500) nor more than one thousand dollars ($1,000), or by imprisonment in a county jail not exceeding six months, or by both that fine and imprisonment.
2. (2) A second offense shall be punishable by a fine of not less than one thousand dollars ($1,000) nor more than ten thousand dollars ($10,000), or by imprisonment in a county jail not exceeding six months, or by both that fine and imprisonment.
3. (3) A third or subsequent offense shall be punishable by a fine of not less than ten thousand dollars ($10,000) nor more than twenty-five thousand dollars ($25,000), or by imprisonment in a county jail not exceeding one year, or by both that fine and imprisonment.
4. (4) If the offense involved more than one machine or more than one location, an additional fine of not less than one thousand dollars ($1,000) nor more than five thousand dollars ($5,000) shall be imposed per machine and per location.
(f) Pinball and other amusement machines or devices, which are predominantly games of skill, whether affording the opportunity of additional chances or free plays or not, are not included within the term slot machine or device, as defined in this section.